Home / 1,339,253.70-1,848,183.53-727,418.42

Finding the Fourth Proportional to 1,339,253.70, 1,848,183.53 and 727,418.42

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Solution

The fourth proportional to 1,339,253.70, 1,848,183.53 and 727,418.42 is: 1,003,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,253.70 : 1,848,183.53 = 727,418.42 : x
  2. Step 2: Convert to fraction form
    1,339,253.70/1,848,183.53 = 727,418.42/x
  3. Step 3: Cross multiply
    1,339,253.70x = 1,848,183.53 × 727,418.42
  4. Step 4: Simplify right side
    1,339,253.70x = 1,344,402,745,155.26
  5. Step 5: Solve for x
    x = 1,344,402,745,155.26/1,339,253.70
  6. Step 6: Final answer
    x = 1,003,844.72

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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.