Home / 1,150,153.28-1,587,217.82-667,004.88

Finding the Fourth Proportional to 1,150,153.28, 1,587,217.82 and 667,004.88

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Solution

The fourth proportional to 1,150,153.28, 1,587,217.82 and 667,004.88 is: 920,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,153.28 : 1,587,217.82 = 667,004.88 : x
  2. Step 2: Convert to fraction form
    1,150,153.28/1,587,217.82 = 667,004.88/x
  3. Step 3: Cross multiply
    1,150,153.28x = 1,587,217.82 × 667,004.88
  4. Step 4: Simplify right side
    1,150,153.28x = 1,058,682,028,227.94
  5. Step 5: Solve for x
    x = 1,058,682,028,227.94/1,150,153.28
  6. Step 6: Final answer
    x = 920,470.39

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1.5x scale

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.