Home / 1,646,155.28-2,469,676.72-686,291.92

Finding the Fourth Proportional to 1,646,155.28, 2,469,676.72 and 686,291.92

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Solution

The fourth proportional to 1,646,155.28, 2,469,676.72 and 686,291.92 is: 1,029,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,155.28 : 2,469,676.72 = 686,291.92 : x
  2. Step 2: Convert to fraction form
    1,646,155.28/2,469,676.72 = 686,291.92/x
  3. Step 3: Cross multiply
    1,646,155.28x = 2,469,676.72 × 686,291.92
  4. Step 4: Simplify right side
    1,646,155.28x = 1,694,919,177,948.10
  5. Step 5: Solve for x
    x = 1,694,919,177,948.10/1,646,155.28
  6. Step 6: Final answer
    x = 1,029,622.90

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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.