Home / 1,127,858.29-1,691,759.31-329,146.75

Finding the Fourth Proportional to 1,127,858.29, 1,691,759.31 and 329,146.75

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Solution

The fourth proportional to 1,127,858.29, 1,691,759.31 and 329,146.75 is: 493,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,858.29 : 1,691,759.31 = 329,146.75 : x
  2. Step 2: Convert to fraction form
    1,127,858.29/1,691,759.31 = 329,146.75/x
  3. Step 3: Cross multiply
    1,127,858.29x = 1,691,759.31 × 329,146.75
  4. Step 4: Simplify right side
    1,127,858.29x = 556,837,078,668.74
  5. Step 5: Solve for x
    x = 556,837,078,668.74/1,127,858.29
  6. Step 6: Final answer
    x = 493,711.92

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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.