Home / 1,127,857.29-1,691,757.81-329,145.75

Finding the Fourth Proportional to 1,127,857.29, 1,691,757.81 and 329,145.75

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Solution

The fourth proportional to 1,127,857.29, 1,691,757.81 and 329,145.75 is: 493,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,857.29 : 1,691,757.81 = 329,145.75 : x
  2. Step 2: Convert to fraction form
    1,127,857.29/1,691,757.81 = 329,145.75/x
  3. Step 3: Cross multiply
    1,127,857.29x = 1,691,757.81 × 329,145.75
  4. Step 4: Simplify right side
    1,127,857.29x = 556,834,893,190.81
  5. Step 5: Solve for x
    x = 556,834,893,190.81/1,127,857.29
  6. Step 6: Final answer
    x = 493,710.42

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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.