Home / 1,098,372.80-1,644,351.60-783,444.80

Finding the Fourth Proportional to 1,098,372.80, 1,644,351.60 and 783,444.80

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Solution

The fourth proportional to 1,098,372.80, 1,644,351.60 and 783,444.80 is: 1,172,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,372.80 : 1,644,351.60 = 783,444.80 : x
  2. Step 2: Convert to fraction form
    1,098,372.80/1,644,351.60 = 783,444.80/x
  3. Step 3: Cross multiply
    1,098,372.80x = 1,644,351.60 × 783,444.80
  4. Step 4: Simplify right side
    1,098,372.80x = 1,288,258,710,391.68
  5. Step 5: Solve for x
    x = 1,288,258,710,391.68/1,098,372.80
  6. Step 6: Final answer
    x = 1,172,879.29

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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.