Home / 1,425,082.52-1,966,754.59-813,326.69

Finding the Fourth Proportional to 1,425,082.52, 1,966,754.59 and 813,326.69

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Solution

The fourth proportional to 1,425,082.52, 1,966,754.59 and 813,326.69 is: 1,122,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,082.52 : 1,966,754.59 = 813,326.69 : x
  2. Step 2: Convert to fraction form
    1,425,082.52/1,966,754.59 = 813,326.69/x
  3. Step 3: Cross multiply
    1,425,082.52x = 1,966,754.59 × 813,326.69
  4. Step 4: Simplify right side
    1,425,082.52x = 1,599,613,988,859.92
  5. Step 5: Solve for x
    x = 1,599,613,988,859.92/1,425,082.52
  6. Step 6: Final answer
    x = 1,122,471.13

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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.