Finding the Fourth Proportional to 1,098,358.24, 1,515,818.24 and 633,287.68
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Solution
The fourth proportional to 1,098,358.24, 1,515,818.24 and 633,287.68 is: 873,985.36
Step by Step Solution
- Step 1: Write the proportion equation
1,098,358.24 : 1,515,818.24 = 633,287.68 : x - Step 2: Convert to fraction form
1,098,358.24/1,515,818.24 = 633,287.68/x - Step 3: Cross multiply
1,098,358.24x = 1,515,818.24 × 633,287.68 - Step 4: Simplify right side
1,098,358.24x = 959,949,016,511.28 - Step 5: Solve for x
x = 959,949,016,511.28/1,098,358.24 - Step 6: Final answer
x = 873,985.36
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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.