Home / 1,613,261.45-2,419,875.72-415,179.11

Finding the Fourth Proportional to 1,613,261.45, 2,419,875.72 and 415,179.11

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Solution

The fourth proportional to 1,613,261.45, 2,419,875.72 and 415,179.11 is: 622,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,261.45 : 2,419,875.72 = 415,179.11 : x
  2. Step 2: Convert to fraction form
    1,613,261.45/2,419,875.72 = 415,179.11/x
  3. Step 3: Cross multiply
    1,613,261.45x = 2,419,875.72 × 415,179.11
  4. Step 4: Simplify right side
    1,613,261.45x = 1,004,681,835,640.83
  5. Step 5: Solve for x
    x = 1,004,681,835,640.83/1,613,261.45
  6. Step 6: Final answer
    x = 622,764.42

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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.