Home / 681,149.20-1,019,974.20-540,014.80

Finding the Fourth Proportional to 681,149.20, 1,019,974.20 and 540,014.80

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Solution

The fourth proportional to 681,149.20, 1,019,974.20 and 540,014.80 is: 808,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,149.20 : 1,019,974.20 = 540,014.80 : x
  2. Step 2: Convert to fraction form
    681,149.20/1,019,974.20 = 540,014.80/x
  3. Step 3: Cross multiply
    681,149.20x = 1,019,974.20 × 540,014.80
  4. Step 4: Simplify right side
    681,149.20x = 550,801,163,618.16
  5. Step 5: Solve for x
    x = 550,801,163,618.16/681,149.20
  6. Step 6: Final answer
    x = 808,635.12

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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.