Home / 998,082.30-1,497,123.45-820,935.30

Finding the Fourth Proportional to 998,082.30, 1,497,123.45 and 820,935.30

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Solution

The fourth proportional to 998,082.30, 1,497,123.45 and 820,935.30 is: 1,231,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,082.30 : 1,497,123.45 = 820,935.30 : x
  2. Step 2: Convert to fraction form
    998,082.30/1,497,123.45 = 820,935.30/x
  3. Step 3: Cross multiply
    998,082.30x = 1,497,123.45 × 820,935.30
  4. Step 4: Simplify right side
    998,082.30x = 1,229,041,488,562.78
  5. Step 5: Solve for x
    x = 1,229,041,488,562.78/998,082.30
  6. Step 6: Final answer
    x = 1,231,402.95

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Double scale
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Similar ratio
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1.5x scale

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.