Home / 1,100,469.90-1,650,704.85-679,982.70

Finding the Fourth Proportional to 1,100,469.90, 1,650,704.85 and 679,982.70

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Solution

The fourth proportional to 1,100,469.90, 1,650,704.85 and 679,982.70 is: 1,019,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,469.90 : 1,650,704.85 = 679,982.70 : x
  2. Step 2: Convert to fraction form
    1,100,469.90/1,650,704.85 = 679,982.70/x
  3. Step 3: Cross multiply
    1,100,469.90x = 1,650,704.85 × 679,982.70
  4. Step 4: Simplify right side
    1,100,469.90x = 1,122,450,740,806.10
  5. Step 5: Solve for x
    x = 1,122,450,740,806.10/1,100,469.90
  6. Step 6: Final answer
    x = 1,019,974.05

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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.