Home / 1,508,020.42-2,081,082.97-819,691.86

Finding the Fourth Proportional to 1,508,020.42, 2,081,082.97 and 819,691.86

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Solution

The fourth proportional to 1,508,020.42, 2,081,082.97 and 819,691.86 is: 1,131,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,020.42 : 2,081,082.97 = 819,691.86 : x
  2. Step 2: Convert to fraction form
    1,508,020.42/2,081,082.97 = 819,691.86/x
  3. Step 3: Cross multiply
    1,508,020.42x = 2,081,082.97 × 819,691.86
  4. Step 4: Simplify right side
    1,508,020.42x = 1,705,846,761,763.16
  5. Step 5: Solve for x
    x = 1,705,846,761,763.16/1,508,020.42
  6. Step 6: Final answer
    x = 1,131,182.80

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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.