Home / 1,098,520.70-1,647,180.36-872,269.68

Finding the Fourth Proportional to 1,098,520.70, 1,647,180.36 and 872,269.68

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Solution

The fourth proportional to 1,098,520.70, 1,647,180.36 and 872,269.68 is: 1,307,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,520.70 : 1,647,180.36 = 872,269.68 : x
  2. Step 2: Convert to fraction form
    1,098,520.70/1,647,180.36 = 872,269.68/x
  3. Step 3: Cross multiply
    1,098,520.70x = 1,647,180.36 × 872,269.68
  4. Step 4: Simplify right side
    1,098,520.70x = 1,436,785,485,519.49
  5. Step 5: Solve for x
    x = 1,436,785,485,519.49/1,098,520.70
  6. Step 6: Final answer
    x = 1,307,927.55

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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.