Home / 1,150,152.53-1,587,216.78-667,004.13

Finding the Fourth Proportional to 1,150,152.53, 1,587,216.78 and 667,004.13

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Solution

The fourth proportional to 1,150,152.53, 1,587,216.78 and 667,004.13 is: 920,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,152.53 : 1,587,216.78 = 667,004.13 : x
  2. Step 2: Convert to fraction form
    1,150,152.53/1,587,216.78 = 667,004.13/x
  3. Step 3: Cross multiply
    1,150,152.53x = 1,587,216.78 × 667,004.13
  4. Step 4: Simplify right side
    1,150,152.53x = 1,058,680,147,465.30
  5. Step 5: Solve for x
    x = 1,058,680,147,465.30/1,150,152.53
  6. Step 6: Final answer
    x = 920,469.35

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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.