Home / 1,220,253.24-1,829,089.30-451,256.78

Finding the Fourth Proportional to 1,220,253.24, 1,829,089.30 and 451,256.78

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Solution

The fourth proportional to 1,220,253.24, 1,829,089.30 and 451,256.78 is: 676,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,253.24 : 1,829,089.30 = 451,256.78 : x
  2. Step 2: Convert to fraction form
    1,220,253.24/1,829,089.30 = 451,256.78/x
  3. Step 3: Cross multiply
    1,220,253.24x = 1,829,089.30 × 451,256.78
  4. Step 4: Simplify right side
    1,220,253.24x = 825,388,947,850.45
  5. Step 5: Solve for x
    x = 825,388,947,850.45/1,220,253.24
  6. Step 6: Final answer
    x = 676,407.91

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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.