Home / 1,380,155.60-2,070,233.40-433,524.80

Finding the Fourth Proportional to 1,380,155.60, 2,070,233.40 and 433,524.80

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Solution

The fourth proportional to 1,380,155.60, 2,070,233.40 and 433,524.80 is: 650,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,155.60 : 2,070,233.40 = 433,524.80 : x
  2. Step 2: Convert to fraction form
    1,380,155.60/2,070,233.40 = 433,524.80/x
  3. Step 3: Cross multiply
    1,380,155.60x = 2,070,233.40 × 433,524.80
  4. Step 4: Simplify right side
    1,380,155.60x = 897,497,520,688.32
  5. Step 5: Solve for x
    x = 897,497,520,688.32/1,380,155.60
  6. Step 6: Final answer
    x = 650,287.20

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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.