Home / 1,150,156.26-1,587,221.97-667,007.88

Finding the Fourth Proportional to 1,150,156.26, 1,587,221.97 and 667,007.88

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Solution

The fourth proportional to 1,150,156.26, 1,587,221.97 and 667,007.88 is: 920,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,156.26 : 1,587,221.97 = 667,007.88 : x
  2. Step 2: Convert to fraction form
    1,150,156.26/1,587,221.97 = 667,007.88/x
  3. Step 3: Cross multiply
    1,150,156.26x = 1,587,221.97 × 667,007.88
  4. Step 4: Simplify right side
    1,150,156.26x = 1,058,689,561,299.12
  5. Step 5: Solve for x
    x = 1,058,689,561,299.12/1,150,156.26
  6. Step 6: Final answer
    x = 920,474.55

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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.