Home / 1,127,858.91-1,691,760.26-329,147.37

Finding the Fourth Proportional to 1,127,858.91, 1,691,760.26 and 329,147.37

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Solution

The fourth proportional to 1,127,858.91, 1,691,760.26 and 329,147.37 is: 493,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,858.91 : 1,691,760.26 = 329,147.37 : x
  2. Step 2: Convert to fraction form
    1,127,858.91/1,691,760.26 = 329,147.37/x
  3. Step 3: Cross multiply
    1,127,858.91x = 1,691,760.26 × 329,147.37
  4. Step 4: Simplify right side
    1,127,858.91x = 556,838,438,603.78
  5. Step 5: Solve for x
    x = 556,838,438,603.78/1,127,858.91
  6. Step 6: Final answer
    x = 493,712.85

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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.