Home / 1,098,497.60-1,644,981.60-722,484.80

Finding the Fourth Proportional to 1,098,497.60, 1,644,981.60 and 722,484.80

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Solution

The fourth proportional to 1,098,497.60, 1,644,981.60 and 722,484.80 is: 1,081,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,497.60 : 1,644,981.60 = 722,484.80 : x
  2. Step 2: Convert to fraction form
    1,098,497.60/1,644,981.60 = 722,484.80/x
  3. Step 3: Cross multiply
    1,098,497.60x = 1,644,981.60 × 722,484.80
  4. Step 4: Simplify right side
    1,098,497.60x = 1,188,474,202,279.68
  5. Step 5: Solve for x
    x = 1,188,474,202,279.68/1,098,497.60
  6. Step 6: Final answer
    x = 1,081,908.78

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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.