Home / 1,093,728.70-1,640,593.05-668,575.90

Finding the Fourth Proportional to 1,093,728.70, 1,640,593.05 and 668,575.90

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Solution

The fourth proportional to 1,093,728.70, 1,640,593.05 and 668,575.90 is: 1,002,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,728.70 : 1,640,593.05 = 668,575.90 : x
  2. Step 2: Convert to fraction form
    1,093,728.70/1,640,593.05 = 668,575.90/x
  3. Step 3: Cross multiply
    1,093,728.70x = 1,640,593.05 × 668,575.90
  4. Step 4: Simplify right side
    1,093,728.70x = 1,096,860,974,937.50
  5. Step 5: Solve for x
    x = 1,096,860,974,937.50/1,093,728.70
  6. Step 6: Final answer
    x = 1,002,863.85

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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.