Home / 1,200,787.62-1,799,399-667,575.14

Finding the Fourth Proportional to 1,200,787.62, 1,799,399 and 667,575.14

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Solution

The fourth proportional to 1,200,787.62, 1,799,399 and 667,575.14 is: 1,000,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,787.62 : 1,799,399 = 667,575.14 : x
  2. Step 2: Convert to fraction form
    1,200,787.62/1,799,399 = 667,575.14/x
  3. Step 3: Cross multiply
    1,200,787.62x = 1,799,399 × 667,575.14
  4. Step 4: Simplify right side
    1,200,787.62x = 1,201,234,039,340.86
  5. Step 5: Solve for x
    x = 1,201,234,039,340.86/1,200,787.62
  6. Step 6: Final answer
    x = 1,000,371.77

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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.