Home / 1,719,642.72-2,372,918.40-994,380.96

Finding the Fourth Proportional to 1,719,642.72, 2,372,918.40 and 994,380.96

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Solution

The fourth proportional to 1,719,642.72, 2,372,918.40 and 994,380.96 is: 1,372,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,642.72 : 2,372,918.40 = 994,380.96 : x
  2. Step 2: Convert to fraction form
    1,719,642.72/2,372,918.40 = 994,380.96/x
  3. Step 3: Cross multiply
    1,719,642.72x = 2,372,918.40 × 994,380.96
  4. Step 4: Simplify right side
    1,719,642.72x = 2,359,584,876,593.66
  5. Step 5: Solve for x
    x = 2,359,584,876,593.66/1,719,642.72
  6. Step 6: Final answer
    x = 1,372,136.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.