Home / 1,659,680.70-2,489,180.85-461,301.90

Finding the Fourth Proportional to 1,659,680.70, 2,489,180.85 and 461,301.90

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Solution

The fourth proportional to 1,659,680.70, 2,489,180.85 and 461,301.90 is: 691,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,680.70 : 2,489,180.85 = 461,301.90 : x
  2. Step 2: Convert to fraction form
    1,659,680.70/2,489,180.85 = 461,301.90/x
  3. Step 3: Cross multiply
    1,659,680.70x = 2,489,180.85 × 461,301.90
  4. Step 4: Simplify right side
    1,659,680.70x = 1,148,263,855,548.62
  5. Step 5: Solve for x
    x = 1,148,263,855,548.62/1,659,680.70
  6. Step 6: Final answer
    x = 691,858.29

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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.