Home / 792,001.60-1,188,002.40-540,059.20

Finding the Fourth Proportional to 792,001.60, 1,188,002.40 and 540,059.20

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Solution

The fourth proportional to 792,001.60, 1,188,002.40 and 540,059.20 is: 810,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,001.60 : 1,188,002.40 = 540,059.20 : x
  2. Step 2: Convert to fraction form
    792,001.60/1,188,002.40 = 540,059.20/x
  3. Step 3: Cross multiply
    792,001.60x = 1,188,002.40 × 540,059.20
  4. Step 4: Simplify right side
    792,001.60x = 641,591,625,742.08
  5. Step 5: Solve for x
    x = 641,591,625,742.08/792,001.60
  6. Step 6: Final answer
    x = 810,088.80

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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.