Home / 1,339,257.38-1,848,188.76-727,416.06

Finding the Fourth Proportional to 1,339,257.38, 1,848,188.76 and 727,416.06

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Solution

The fourth proportional to 1,339,257.38, 1,848,188.76 and 727,416.06 is: 1,003,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,257.38 : 1,848,188.76 = 727,416.06 : x
  2. Step 2: Convert to fraction form
    1,339,257.38/1,848,188.76 = 727,416.06/x
  3. Step 3: Cross multiply
    1,339,257.38x = 1,848,188.76 × 727,416.06
  4. Step 4: Simplify right side
    1,339,257.38x = 1,344,402,185,935.49
  5. Step 5: Solve for x
    x = 1,344,402,185,935.49/1,339,257.38
  6. Step 6: Final answer
    x = 1,003,841.54

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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.