Home / 1,103,610.80-1,653,229.20-972,099.20

Finding the Fourth Proportional to 1,103,610.80, 1,653,229.20 and 972,099.20

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Solution

The fourth proportional to 1,103,610.80, 1,653,229.20 and 972,099.20 is: 1,456,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,610.80 : 1,653,229.20 = 972,099.20 : x
  2. Step 2: Convert to fraction form
    1,103,610.80/1,653,229.20 = 972,099.20/x
  3. Step 3: Cross multiply
    1,103,610.80x = 1,653,229.20 × 972,099.20
  4. Step 4: Simplify right side
    1,103,610.80x = 1,607,102,782,736.64
  5. Step 5: Solve for x
    x = 1,607,102,782,736.64/1,103,610.80
  6. Step 6: Final answer
    x = 1,456,222.41

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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.