Home / 1,755,286.60-2,632,929.90-689,974.60

Finding the Fourth Proportional to 1,755,286.60, 2,632,929.90 and 689,974.60

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Solution

The fourth proportional to 1,755,286.60, 2,632,929.90 and 689,974.60 is: 1,034,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,286.60 : 2,632,929.90 = 689,974.60 : x
  2. Step 2: Convert to fraction form
    1,755,286.60/2,632,929.90 = 689,974.60/x
  3. Step 3: Cross multiply
    1,755,286.60x = 2,632,929.90 × 689,974.60
  4. Step 4: Simplify right side
    1,755,286.60x = 1,816,654,754,580.54
  5. Step 5: Solve for x
    x = 1,816,654,754,580.54/1,755,286.60
  6. Step 6: Final answer
    x = 1,034,961.90

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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.