Home / 1,179,991.88-1,769,998.05-381,273.50

Finding the Fourth Proportional to 1,179,991.88, 1,769,998.05 and 381,273.50

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Solution

The fourth proportional to 1,179,991.88, 1,769,998.05 and 381,273.50 is: 571,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,991.88 : 1,769,998.05 = 381,273.50 : x
  2. Step 2: Convert to fraction form
    1,179,991.88/1,769,998.05 = 381,273.50/x
  3. Step 3: Cross multiply
    1,179,991.88x = 1,769,998.05 × 381,273.50
  4. Step 4: Simplify right side
    1,179,991.88x = 674,853,351,516.68
  5. Step 5: Solve for x
    x = 674,853,351,516.68/1,179,991.88
  6. Step 6: Final answer
    x = 571,913.56

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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.