Home / 1,178,174.38-1,763,773.97-727,446

Finding the Fourth Proportional to 1,178,174.38, 1,763,773.97 and 727,446

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Solution

The fourth proportional to 1,178,174.38, 1,763,773.97 and 727,446 is: 1,089,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,174.38 : 1,763,773.97 = 727,446 : x
  2. Step 2: Convert to fraction form
    1,178,174.38/1,763,773.97 = 727,446/x
  3. Step 3: Cross multiply
    1,178,174.38x = 1,763,773.97 × 727,446
  4. Step 4: Simplify right side
    1,178,174.38x = 1,283,050,319,380.62
  5. Step 5: Solve for x
    x = 1,283,050,319,380.62/1,178,174.38
  6. Step 6: Final answer
    x = 1,089,015.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.