Home / 1,103,007.60-1,652,761.80-728,593.20

Finding the Fourth Proportional to 1,103,007.60, 1,652,761.80 and 728,593.20

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Solution

The fourth proportional to 1,103,007.60, 1,652,761.80 and 728,593.20 is: 1,091,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,007.60 : 1,652,761.80 = 728,593.20 : x
  2. Step 2: Convert to fraction form
    1,103,007.60/1,652,761.80 = 728,593.20/x
  3. Step 3: Cross multiply
    1,103,007.60x = 1,652,761.80 × 728,593.20
  4. Step 4: Simplify right side
    1,103,007.60x = 1,204,191,008,699.76
  5. Step 5: Solve for x
    x = 1,204,191,008,699.76/1,103,007.60
  6. Step 6: Final answer
    x = 1,091,734.10

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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.