Home / 1,098,755.44-1,515,747.57-711,459.61

Finding the Fourth Proportional to 1,098,755.44, 1,515,747.57 and 711,459.61

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Solution

The fourth proportional to 1,098,755.44, 1,515,747.57 and 711,459.61 is: 981,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,755.44 : 1,515,747.57 = 711,459.61 : x
  2. Step 2: Convert to fraction form
    1,098,755.44/1,515,747.57 = 711,459.61/x
  3. Step 3: Cross multiply
    1,098,755.44x = 1,515,747.57 × 711,459.61
  4. Step 4: Simplify right side
    1,098,755.44x = 1,078,393,175,010.65
  5. Step 5: Solve for x
    x = 1,078,393,175,010.65/1,098,755.44
  6. Step 6: Final answer
    x = 981,467.88

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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.