Home / 1,520,211.20-2,278,891.20-574,217.60

Finding the Fourth Proportional to 1,520,211.20, 2,278,891.20 and 574,217.60

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Solution

The fourth proportional to 1,520,211.20, 2,278,891.20 and 574,217.60 is: 860,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,211.20 : 2,278,891.20 = 574,217.60 : x
  2. Step 2: Convert to fraction form
    1,520,211.20/2,278,891.20 = 574,217.60/x
  3. Step 3: Cross multiply
    1,520,211.20x = 2,278,891.20 × 574,217.60
  4. Step 4: Simplify right side
    1,520,211.20x = 1,308,579,435,525.12
  5. Step 5: Solve for x
    x = 1,308,579,435,525.12/1,520,211.20
  6. Step 6: Final answer
    x = 860,787.92

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Double scale
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Similar ratio
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1.5x scale

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.