Home / 1,293,902.92-1,785,562.32-720,930.70

Finding the Fourth Proportional to 1,293,902.92, 1,785,562.32 and 720,930.70

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Solution

The fourth proportional to 1,293,902.92, 1,785,562.32 and 720,930.70 is: 994,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,902.92 : 1,785,562.32 = 720,930.70 : x
  2. Step 2: Convert to fraction form
    1,293,902.92/1,785,562.32 = 720,930.70/x
  3. Step 3: Cross multiply
    1,293,902.92x = 1,785,562.32 × 720,930.70
  4. Step 4: Simplify right side
    1,293,902.92x = 1,287,266,693,251.22
  5. Step 5: Solve for x
    x = 1,287,266,693,251.22/1,293,902.92
  6. Step 6: Final answer
    x = 994,871.16

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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.