Home / 998,082.55-1,497,123.83-820,935.55

Finding the Fourth Proportional to 998,082.55, 1,497,123.83 and 820,935.55

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Solution

The fourth proportional to 998,082.55, 1,497,123.83 and 820,935.55 is: 1,231,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,082.55 : 1,497,123.83 = 820,935.55 : x
  2. Step 2: Convert to fraction form
    998,082.55/1,497,123.83 = 820,935.55/x
  3. Step 3: Cross multiply
    998,082.55x = 1,497,123.83 × 820,935.55
  4. Step 4: Simplify right side
    998,082.55x = 1,229,042,170,694.48
  5. Step 5: Solve for x
    x = 1,229,042,170,694.48/998,082.55
  6. Step 6: Final answer
    x = 1,231,403.33

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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.