Home / 1,632,082.40-2,448,123.60-686,520.80

Finding the Fourth Proportional to 1,632,082.40, 2,448,123.60 and 686,520.80

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Solution

The fourth proportional to 1,632,082.40, 2,448,123.60 and 686,520.80 is: 1,029,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,082.40 : 2,448,123.60 = 686,520.80 : x
  2. Step 2: Convert to fraction form
    1,632,082.40/2,448,123.60 = 686,520.80/x
  3. Step 3: Cross multiply
    1,632,082.40x = 2,448,123.60 × 686,520.80
  4. Step 4: Simplify right side
    1,632,082.40x = 1,680,687,772,370.88
  5. Step 5: Solve for x
    x = 1,680,687,772,370.88/1,632,082.40
  6. Step 6: Final answer
    x = 1,029,781.20

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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.