Home / 1,339,281.29-1,848,221.74-727,446

Finding the Fourth Proportional to 1,339,281.29, 1,848,221.74 and 727,446

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Solution

The fourth proportional to 1,339,281.29, 1,848,221.74 and 727,446 is: 1,003,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,281.29 : 1,848,221.74 = 727,446 : x
  2. Step 2: Convert to fraction form
    1,339,281.29/1,848,221.74 = 727,446/x
  3. Step 3: Cross multiply
    1,339,281.29x = 1,848,221.74 × 727,446
  4. Step 4: Simplify right side
    1,339,281.29x = 1,344,481,513,694.66
  5. Step 5: Solve for x
    x = 1,344,481,513,694.66/1,339,281.29
  6. Step 6: Final answer
    x = 1,003,882.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.