Home / 1,011,616.80-1,517,425.20-887,200.80

Finding the Fourth Proportional to 1,011,616.80, 1,517,425.20 and 887,200.80

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Solution

The fourth proportional to 1,011,616.80, 1,517,425.20 and 887,200.80 is: 1,330,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,616.80 : 1,517,425.20 = 887,200.80 : x
  2. Step 2: Convert to fraction form
    1,011,616.80/1,517,425.20 = 887,200.80/x
  3. Step 3: Cross multiply
    1,011,616.80x = 1,517,425.20 × 887,200.80
  4. Step 4: Simplify right side
    1,011,616.80x = 1,346,260,851,380.16
  5. Step 5: Solve for x
    x = 1,346,260,851,380.16/1,011,616.80
  6. Step 6: Final answer
    x = 1,330,801.20

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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.