Home / 1,278,273.93-1,917,082.84-379,507.15

Finding the Fourth Proportional to 1,278,273.93, 1,917,082.84 and 379,507.15

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Solution

The fourth proportional to 1,278,273.93, 1,917,082.84 and 379,507.15 is: 569,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,273.93 : 1,917,082.84 = 379,507.15 : x
  2. Step 2: Convert to fraction form
    1,278,273.93/1,917,082.84 = 379,507.15/x
  3. Step 3: Cross multiply
    1,278,273.93x = 1,917,082.84 × 379,507.15
  4. Step 4: Simplify right side
    1,278,273.93x = 727,546,644,922.31
  5. Step 5: Solve for x
    x = 727,546,644,922.31/1,278,273.93
  6. Step 6: Final answer
    x = 569,163.33

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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.