Home / 1,440,350.87-1,987,705.05-795,785.90

Finding the Fourth Proportional to 1,440,350.87, 1,987,705.05 and 795,785.90

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Solution

The fourth proportional to 1,440,350.87, 1,987,705.05 and 795,785.90 is: 1,098,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,350.87 : 1,987,705.05 = 795,785.90 : x
  2. Step 2: Convert to fraction form
    1,440,350.87/1,987,705.05 = 795,785.90/x
  3. Step 3: Cross multiply
    1,440,350.87x = 1,987,705.05 × 795,785.90
  4. Step 4: Simplify right side
    1,440,350.87x = 1,581,787,652,148.80
  5. Step 5: Solve for x
    x = 1,581,787,652,148.80/1,440,350.87
  6. Step 6: Final answer
    x = 1,098,196.06

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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.