Home / 1,298,575.20-1,947,862.80-731,704.80

Finding the Fourth Proportional to 1,298,575.20, 1,947,862.80 and 731,704.80

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Solution

The fourth proportional to 1,298,575.20, 1,947,862.80 and 731,704.80 is: 1,097,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,575.20 : 1,947,862.80 = 731,704.80 : x
  2. Step 2: Convert to fraction form
    1,298,575.20/1,947,862.80 = 731,704.80/x
  3. Step 3: Cross multiply
    1,298,575.20x = 1,947,862.80 × 731,704.80
  4. Step 4: Simplify right side
    1,298,575.20x = 1,425,260,560,501.44
  5. Step 5: Solve for x
    x = 1,425,260,560,501.44/1,298,575.20
  6. Step 6: Final answer
    x = 1,097,557.20

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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.