Home / 1,247,753.60-1,871,630.40-449,061.20

Finding the Fourth Proportional to 1,247,753.60, 1,871,630.40 and 449,061.20

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Solution

The fourth proportional to 1,247,753.60, 1,871,630.40 and 449,061.20 is: 673,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,753.60 : 1,871,630.40 = 449,061.20 : x
  2. Step 2: Convert to fraction form
    1,247,753.60/1,871,630.40 = 449,061.20/x
  3. Step 3: Cross multiply
    1,247,753.60x = 1,871,630.40 × 449,061.20
  4. Step 4: Simplify right side
    1,247,753.60x = 840,476,593,380.48
  5. Step 5: Solve for x
    x = 840,476,593,380.48/1,247,753.60
  6. Step 6: Final answer
    x = 673,591.80

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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.