Home / 1,220,419.30-1,834,565.55-867,874.90

Finding the Fourth Proportional to 1,220,419.30, 1,834,565.55 and 867,874.90

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Solution

The fourth proportional to 1,220,419.30, 1,834,565.55 and 867,874.90 is: 1,304,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,419.30 : 1,834,565.55 = 867,874.90 : x
  2. Step 2: Convert to fraction form
    1,220,419.30/1,834,565.55 = 867,874.90/x
  3. Step 3: Cross multiply
    1,220,419.30x = 1,834,565.55 × 867,874.90
  4. Step 4: Simplify right side
    1,220,419.30x = 1,592,173,393,249.70
  5. Step 5: Solve for x
    x = 1,592,173,393,249.70/1,220,419.30
  6. Step 6: Final answer
    x = 1,304,611.78

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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.