Finding the Fourth Proportional to 1,348,643.92, 1,861,053.96 and 775,693.66
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Solution
The fourth proportional to 1,348,643.92, 1,861,053.96 and 775,693.66 is: 1,070,414.31
Step by Step Solution
- Step 1: Write the proportion equation
1,348,643.92 : 1,861,053.96 = 775,693.66 : x - Step 2: Convert to fraction form
1,348,643.92/1,861,053.96 = 775,693.66/x - Step 3: Cross multiply
1,348,643.92x = 1,861,053.96 × 775,693.66 - Step 4: Simplify right side
1,348,643.92x = 1,443,607,757,689.89 - Step 5: Solve for x
x = 1,443,607,757,689.89/1,348,643.92 - Step 6: Final answer
x = 1,070,414.31
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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.