Home / 1,425,229.54-1,966,833.03-813,464.89

Finding the Fourth Proportional to 1,425,229.54, 1,966,833.03 and 813,464.89

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Solution

The fourth proportional to 1,425,229.54, 1,966,833.03 and 813,464.89 is: 1,122,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,229.54 : 1,966,833.03 = 813,464.89 : x
  2. Step 2: Convert to fraction form
    1,425,229.54/1,966,833.03 = 813,464.89/x
  3. Step 3: Cross multiply
    1,425,229.54x = 1,966,833.03 × 813,464.89
  4. Step 4: Simplify right side
    1,425,229.54x = 1,599,949,614,397.32
  5. Step 5: Solve for x
    x = 1,599,949,614,397.32/1,425,229.54
  6. Step 6: Final answer
    x = 1,122,590.83

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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.