Home / 981,236.43-1,472,425.68-412,576.34

Finding the Fourth Proportional to 981,236.43, 1,472,425.68 and 412,576.34

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Solution

The fourth proportional to 981,236.43, 1,472,425.68 and 412,576.34 is: 619,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,236.43 : 1,472,425.68 = 412,576.34 : x
  2. Step 2: Convert to fraction form
    981,236.43/1,472,425.68 = 412,576.34/x
  3. Step 3: Cross multiply
    981,236.43x = 1,472,425.68 × 412,576.34
  4. Step 4: Simplify right side
    981,236.43x = 607,487,990,614.28
  5. Step 5: Solve for x
    x = 607,487,990,614.28/981,236.43
  6. Step 6: Final answer
    x = 619,104.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.