Finding the Fourth Proportional to 1,037,640.96, 1,431,943.68 and 560,712.96
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Solution
The fourth proportional to 1,037,640.96, 1,431,943.68 and 560,712.96 is: 773,783.43
Step by Step Solution
- Step 1: Write the proportion equation
1,037,640.96 : 1,431,943.68 = 560,712.96 : x - Step 2: Convert to fraction form
1,037,640.96/1,431,943.68 = 560,712.96/x - Step 3: Cross multiply
1,037,640.96x = 1,431,943.68 × 560,712.96 - Step 4: Simplify right side
1,037,640.96x = 802,909,379,366.09 - Step 5: Solve for x
x = 802,909,379,366.09/1,037,640.96 - Step 6: Final answer
x = 773,783.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.