Home / 1,339,278.33-1,848,217.53-727,443

Finding the Fourth Proportional to 1,339,278.33, 1,848,217.53 and 727,443

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Solution

The fourth proportional to 1,339,278.33, 1,848,217.53 and 727,443 is: 1,003,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,278.33 : 1,848,217.53 = 727,443 : x
  2. Step 2: Convert to fraction form
    1,339,278.33/1,848,217.53 = 727,443/x
  3. Step 3: Cross multiply
    1,339,278.33x = 1,848,217.53 × 727,443
  4. Step 4: Simplify right side
    1,339,278.33x = 1,344,472,904,675.79
  5. Step 5: Solve for x
    x = 1,344,472,904,675.79/1,339,278.33
  6. Step 6: Final answer
    x = 1,003,878.64

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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.