Home / 842,997.60-1,264,496.40-787,010.40

Finding the Fourth Proportional to 842,997.60, 1,264,496.40 and 787,010.40

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Solution

The fourth proportional to 842,997.60, 1,264,496.40 and 787,010.40 is: 1,180,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,997.60 : 1,264,496.40 = 787,010.40 : x
  2. Step 2: Convert to fraction form
    842,997.60/1,264,496.40 = 787,010.40/x
  3. Step 3: Cross multiply
    842,997.60x = 1,264,496.40 × 787,010.40
  4. Step 4: Simplify right side
    842,997.60x = 995,171,817,562.56
  5. Step 5: Solve for x
    x = 995,171,817,562.56/842,997.60
  6. Step 6: Final answer
    x = 1,180,515.60

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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.