Home / 1,425,082.28-1,966,754.25-813,326.44

Finding the Fourth Proportional to 1,425,082.28, 1,966,754.25 and 813,326.44

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Solution

The fourth proportional to 1,425,082.28, 1,966,754.25 and 813,326.44 is: 1,122,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,082.28 : 1,966,754.25 = 813,326.44 : x
  2. Step 2: Convert to fraction form
    1,425,082.28/1,966,754.25 = 813,326.44/x
  3. Step 3: Cross multiply
    1,425,082.28x = 1,966,754.25 × 813,326.44
  4. Step 4: Simplify right side
    1,425,082.28x = 1,599,613,218,606.97
  5. Step 5: Solve for x
    x = 1,599,613,218,606.97/1,425,082.28
  6. Step 6: Final answer
    x = 1,122,470.78

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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.