Home / 1,339,247.88-1,848,175.65-727,406.55

Finding the Fourth Proportional to 1,339,247.88, 1,848,175.65 and 727,406.55

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Solution

The fourth proportional to 1,339,247.88, 1,848,175.65 and 727,406.55 is: 1,003,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,247.88 : 1,848,175.65 = 727,406.55 : x
  2. Step 2: Convert to fraction form
    1,339,247.88/1,848,175.65 = 727,406.55/x
  3. Step 3: Cross multiply
    1,339,247.88x = 1,848,175.65 × 727,406.55
  4. Step 4: Simplify right side
    1,339,247.88x = 1,344,375,073,360.51
  5. Step 5: Solve for x
    x = 1,344,375,073,360.51/1,339,247.88
  6. Step 6: Final answer
    x = 1,003,828.41

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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.