Home / 1,005,872.38-1,508,806.74-707,685.86

Finding the Fourth Proportional to 1,005,872.38, 1,508,806.74 and 707,685.86

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Solution

The fourth proportional to 1,005,872.38, 1,508,806.74 and 707,685.86 is: 1,061,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,872.38 : 1,508,806.74 = 707,685.86 : x
  2. Step 2: Convert to fraction form
    1,005,872.38/1,508,806.74 = 707,685.86/x
  3. Step 3: Cross multiply
    1,005,872.38x = 1,508,806.74 × 707,685.86
  4. Step 4: Simplify right side
    1,005,872.38x = 1,067,761,201,796.54
  5. Step 5: Solve for x
    x = 1,067,761,201,796.54/1,005,872.38
  6. Step 6: Final answer
    x = 1,061,527.51

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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.