Home / 1,150,151.78-1,587,215.75-667,003.38

Finding the Fourth Proportional to 1,150,151.78, 1,587,215.75 and 667,003.38

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Solution

The fourth proportional to 1,150,151.78, 1,587,215.75 and 667,003.38 is: 920,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,151.78 : 1,587,215.75 = 667,003.38 : x
  2. Step 2: Convert to fraction form
    1,150,151.78/1,587,215.75 = 667,003.38/x
  3. Step 3: Cross multiply
    1,150,151.78x = 1,587,215.75 × 667,003.38
  4. Step 4: Simplify right side
    1,150,151.78x = 1,058,678,266,704.22
  5. Step 5: Solve for x
    x = 1,058,678,266,704.22/1,150,151.78
  6. Step 6: Final answer
    x = 920,468.32

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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.