Home / 1,339,663.55-1,848,727.85-727,811.42

Finding the Fourth Proportional to 1,339,663.55, 1,848,727.85 and 727,811.42

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Solution

The fourth proportional to 1,339,663.55, 1,848,727.85 and 727,811.42 is: 1,004,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,663.55 : 1,848,727.85 = 727,811.42 : x
  2. Step 2: Convert to fraction form
    1,339,663.55/1,848,727.85 = 727,811.42/x
  3. Step 3: Cross multiply
    1,339,663.55x = 1,848,727.85 × 727,811.42
  4. Step 4: Simplify right side
    1,339,663.55x = 1,345,525,228,819.35
  5. Step 5: Solve for x
    x = 1,345,525,228,819.35/1,339,663.55
  6. Step 6: Final answer
    x = 1,004,375.49

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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.