Finding the Fourth Proportional to 1,255,207.24, 1,732,128.60 and 711,311.14
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Solution
The fourth proportional to 1,255,207.24, 1,732,128.60 and 711,311.14 is: 981,576.85
Step by Step Solution
- Step 1: Write the proportion equation
1,255,207.24 : 1,732,128.60 = 711,311.14 : x - Step 2: Convert to fraction form
1,255,207.24/1,732,128.60 = 711,311.14/x - Step 3: Cross multiply
1,255,207.24x = 1,732,128.60 × 711,311.14 - Step 4: Simplify right side
1,255,207.24x = 1,232,082,369,092.60 - Step 5: Solve for x
x = 1,232,082,369,092.60/1,255,207.24 - Step 6: Final answer
x = 981,576.85
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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.