Home / 1,440,380.12-1,987,555.15-795,761.87

Finding the Fourth Proportional to 1,440,380.12, 1,987,555.15 and 795,761.87

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Solution

The fourth proportional to 1,440,380.12, 1,987,555.15 and 795,761.87 is: 1,098,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,380.12 : 1,987,555.15 = 795,761.87 : x
  2. Step 2: Convert to fraction form
    1,440,380.12/1,987,555.15 = 795,761.87/x
  3. Step 3: Cross multiply
    1,440,380.12x = 1,987,555.15 × 795,761.87
  4. Step 4: Simplify right side
    1,440,380.12x = 1,581,620,593,949.06
  5. Step 5: Solve for x
    x = 1,581,620,593,949.06/1,440,380.12
  6. Step 6: Final answer
    x = 1,098,057.78

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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.