The phrase "to fall to" means to be forced into doing something or accepting responsibility for a task, despite any personal reluctance. Full definition
The order would execute when the share price falls to $ 48 but only as long as it remains above $ 47. (cfs4me.com)
More immigrant households and others took the homeownership plunge in the 1990s, too, as interest rates fell to levels not seen since the 1970s. (realtormag.realtor.org)
But be careful, because «sky rockets» (in housing and elsewhere) often fall to earth. (money.stackexchange.com)