Home / 1,339,251.67-1,848,180.73-727,416.40

Finding the Fourth Proportional to 1,339,251.67, 1,848,180.73 and 727,416.40

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Solution

The fourth proportional to 1,339,251.67, 1,848,180.73 and 727,416.40 is: 1,003,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,251.67 : 1,848,180.73 = 727,416.40 : x
  2. Step 2: Convert to fraction form
    1,339,251.67/1,848,180.73 = 727,416.40/x
  3. Step 3: Cross multiply
    1,339,251.67x = 1,848,180.73 × 727,416.40
  4. Step 4: Simplify right side
    1,339,251.67x = 1,344,396,974,624.98
  5. Step 5: Solve for x
    x = 1,344,396,974,624.98/1,339,251.67
  6. Step 6: Final answer
    x = 1,003,841.92

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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.