Home / 1,008,001.90-1,512,002.85-759,169.90

Finding the Fourth Proportional to 1,008,001.90, 1,512,002.85 and 759,169.90

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Solution

The fourth proportional to 1,008,001.90, 1,512,002.85 and 759,169.90 is: 1,138,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,001.90 : 1,512,002.85 = 759,169.90 : x
  2. Step 2: Convert to fraction form
    1,008,001.90/1,512,002.85 = 759,169.90/x
  3. Step 3: Cross multiply
    1,008,001.90x = 1,512,002.85 × 759,169.90
  4. Step 4: Simplify right side
    1,008,001.90x = 1,147,867,052,434.22
  5. Step 5: Solve for x
    x = 1,147,867,052,434.22/1,008,001.90
  6. Step 6: Final answer
    x = 1,138,754.85

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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.