Finding the Fourth Proportional to 1,272,330.26, 1,755,796.08 and 699,358.12
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Solution
The fourth proportional to 1,272,330.26, 1,755,796.08 and 699,358.12 is: 965,103.39
Step by Step Solution
- Step 1: Write the proportion equation
1,272,330.26 : 1,755,796.08 = 699,358.12 : x - Step 2: Convert to fraction form
1,272,330.26/1,755,796.08 = 699,358.12/x - Step 3: Cross multiply
1,272,330.26x = 1,755,796.08 × 699,358.12 - Step 4: Simplify right side
1,272,330.26x = 1,227,930,245,612.17 - Step 5: Solve for x
x = 1,227,930,245,612.17/1,272,330.26 - Step 6: Final answer
x = 965,103.39
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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.