Home / 672,022.20-1,008,033.30-667,356.60

Finding the Fourth Proportional to 672,022.20, 1,008,033.30 and 667,356.60

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Solution

The fourth proportional to 672,022.20, 1,008,033.30 and 667,356.60 is: 1,001,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,022.20 : 1,008,033.30 = 667,356.60 : x
  2. Step 2: Convert to fraction form
    672,022.20/1,008,033.30 = 667,356.60/x
  3. Step 3: Cross multiply
    672,022.20x = 1,008,033.30 × 667,356.60
  4. Step 4: Simplify right side
    672,022.20x = 672,717,675,774.78
  5. Step 5: Solve for x
    x = 672,717,675,774.78/672,022.20
  6. Step 6: Final answer
    x = 1,001,034.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.