Home / 1,298,565.20-1,947,847.80-731,694.80

Finding the Fourth Proportional to 1,298,565.20, 1,947,847.80 and 731,694.80

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Solution

The fourth proportional to 1,298,565.20, 1,947,847.80 and 731,694.80 is: 1,097,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,565.20 : 1,947,847.80 = 731,694.80 : x
  2. Step 2: Convert to fraction form
    1,298,565.20/1,947,847.80 = 731,694.80/x
  3. Step 3: Cross multiply
    1,298,565.20x = 1,947,847.80 × 731,694.80
  4. Step 4: Simplify right side
    1,298,565.20x = 1,425,230,106,451.44
  5. Step 5: Solve for x
    x = 1,425,230,106,451.44/1,298,565.20
  6. Step 6: Final answer
    x = 1,097,542.20

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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.