Finding the Fourth Proportional to 1,232,553.60, 1,845,201.60 and 918,403.20
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Solution
The fourth proportional to 1,232,553.60, 1,845,201.60 and 918,403.20 is: 1,374,900.90
Step by Step Solution
- Step 1: Write the proportion equation
1,232,553.60 : 1,845,201.60 = 918,403.20 : x - Step 2: Convert to fraction form
1,232,553.60/1,845,201.60 = 918,403.20/x - Step 3: Cross multiply
1,232,553.60x = 1,845,201.60 × 918,403.20 - Step 4: Simplify right side
1,232,553.60x = 1,694,639,054,085.12 - Step 5: Solve for x
x = 1,694,639,054,085.12/1,232,553.60 - Step 6: Final answer
x = 1,374,900.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.