Home / 1,098,516.60-1,645,010.10-722,503.80

Finding the Fourth Proportional to 1,098,516.60, 1,645,010.10 and 722,503.80

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Solution

The fourth proportional to 1,098,516.60, 1,645,010.10 and 722,503.80 is: 1,081,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,516.60 : 1,645,010.10 = 722,503.80 : x
  2. Step 2: Convert to fraction form
    1,098,516.60/1,645,010.10 = 722,503.80/x
  3. Step 3: Cross multiply
    1,098,516.60x = 1,645,010.10 × 722,503.80
  4. Step 4: Simplify right side
    1,098,516.60x = 1,188,526,048,288.38
  5. Step 5: Solve for x
    x = 1,188,526,048,288.38/1,098,516.60
  6. Step 6: Final answer
    x = 1,081,937.27

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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.