Home / 1,339,278.58-1,848,217.89-727,443.28

Finding the Fourth Proportional to 1,339,278.58, 1,848,217.89 and 727,443.28

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Solution

The fourth proportional to 1,339,278.58, 1,848,217.89 and 727,443.28 is: 1,003,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,278.58 : 1,848,217.89 = 727,443.28 : x
  2. Step 2: Convert to fraction form
    1,339,278.58/1,848,217.89 = 727,443.28/x
  3. Step 3: Cross multiply
    1,339,278.58x = 1,848,217.89 × 727,443.28
  4. Step 4: Simplify right side
    1,339,278.58x = 1,344,473,684,056.28
  5. Step 5: Solve for x
    x = 1,344,473,684,056.28/1,339,278.58
  6. Step 6: Final answer
    x = 1,003,879.03

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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.