Home / 1,150,150.28-1,587,213.68-667,001.88

Finding the Fourth Proportional to 1,150,150.28, 1,587,213.68 and 667,001.88

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Solution

The fourth proportional to 1,150,150.28, 1,587,213.68 and 667,001.88 is: 920,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,150.28 : 1,587,213.68 = 667,001.88 : x
  2. Step 2: Convert to fraction form
    1,150,150.28/1,587,213.68 = 667,001.88/x
  3. Step 3: Cross multiply
    1,150,150.28x = 1,587,213.68 × 667,001.88
  4. Step 4: Simplify right side
    1,150,150.28x = 1,058,674,505,186.71
  5. Step 5: Solve for x
    x = 1,058,674,505,186.71/1,150,150.28
  6. Step 6: Final answer
    x = 920,466.25

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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.