Finding the Fourth Proportional to 1,115,387.56, 1,539,243.30 and 606,092.68
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Solution
The fourth proportional to 1,115,387.56, 1,539,243.30 and 606,092.68 is: 836,412.50
Step by Step Solution
- Step 1: Write the proportion equation
1,115,387.56 : 1,539,243.30 = 606,092.68 : x - Step 2: Convert to fraction form
1,115,387.56/1,539,243.30 = 606,092.68/x - Step 3: Cross multiply
1,115,387.56x = 1,539,243.30 × 606,092.68 - Step 4: Simplify right side
1,115,387.56x = 932,924,096,869.04 - Step 5: Solve for x
x = 932,924,096,869.04/1,115,387.56 - Step 6: Final answer
x = 836,412.50
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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.