Home / 1,127,856.29-1,691,756.31-329,144.75

Finding the Fourth Proportional to 1,127,856.29, 1,691,756.31 and 329,144.75

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Solution

The fourth proportional to 1,127,856.29, 1,691,756.31 and 329,144.75 is: 493,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,856.29 : 1,691,756.31 = 329,144.75 : x
  2. Step 2: Convert to fraction form
    1,127,856.29/1,691,756.31 = 329,144.75/x
  3. Step 3: Cross multiply
    1,127,856.29x = 1,691,756.31 × 329,144.75
  4. Step 4: Simplify right side
    1,127,856.29x = 556,832,706,835.47
  5. Step 5: Solve for x
    x = 556,832,706,835.47/1,127,856.29
  6. Step 6: Final answer
    x = 493,708.92

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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.