Home / 1,508,815.44-2,082,123.78-829,751.96

Finding the Fourth Proportional to 1,508,815.44, 2,082,123.78 and 829,751.96

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Solution

The fourth proportional to 1,508,815.44, 2,082,123.78 and 829,751.96 is: 1,145,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,815.44 : 2,082,123.78 = 829,751.96 : x
  2. Step 2: Convert to fraction form
    1,508,815.44/2,082,123.78 = 829,751.96/x
  3. Step 3: Cross multiply
    1,508,815.44x = 2,082,123.78 × 829,751.96
  4. Step 4: Simplify right side
    1,508,815.44x = 1,727,646,287,417.61
  5. Step 5: Solve for x
    x = 1,727,646,287,417.61/1,508,815.44
  6. Step 6: Final answer
    x = 1,145,034.87

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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.