Home / 1,613,261.43-2,419,875.72-415,179.09

Finding the Fourth Proportional to 1,613,261.43, 2,419,875.72 and 415,179.09

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Solution

The fourth proportional to 1,613,261.43, 2,419,875.72 and 415,179.09 is: 622,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,261.43 : 2,419,875.72 = 415,179.09 : x
  2. Step 2: Convert to fraction form
    1,613,261.43/2,419,875.72 = 415,179.09/x
  3. Step 3: Cross multiply
    1,613,261.43x = 2,419,875.72 × 415,179.09
  4. Step 4: Simplify right side
    1,613,261.43x = 1,004,681,799,342.70
  5. Step 5: Solve for x
    x = 1,004,681,799,342.70/1,613,261.43
  6. Step 6: Final answer
    x = 622,764.41

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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.