Home / 1,150,255.11-1,587,358.34-667,106.71

Finding the Fourth Proportional to 1,150,255.11, 1,587,358.34 and 667,106.71

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Solution

The fourth proportional to 1,150,255.11, 1,587,358.34 and 667,106.71 is: 920,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,255.11 : 1,587,358.34 = 667,106.71 : x
  2. Step 2: Convert to fraction form
    1,150,255.11/1,587,358.34 = 667,106.71/x
  3. Step 3: Cross multiply
    1,150,255.11x = 1,587,358.34 × 667,106.71
  4. Step 4: Simplify right side
    1,150,255.11x = 1,058,937,396,452.93
  5. Step 5: Solve for x
    x = 1,058,937,396,452.93/1,150,255.11
  6. Step 6: Final answer
    x = 920,610.90

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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.