Home / 1,072,849.62-1,480,160.25-685,891.56

Finding the Fourth Proportional to 1,072,849.62, 1,480,160.25 and 685,891.56

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Solution

The fourth proportional to 1,072,849.62, 1,480,160.25 and 685,891.56 is: 946,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,849.62 : 1,480,160.25 = 685,891.56 : x
  2. Step 2: Convert to fraction form
    1,072,849.62/1,480,160.25 = 685,891.56/x
  3. Step 3: Cross multiply
    1,072,849.62x = 1,480,160.25 × 685,891.56
  4. Step 4: Simplify right side
    1,072,849.62x = 1,015,229,422,922.49
  5. Step 5: Solve for x
    x = 1,015,229,422,922.49/1,072,849.62
  6. Step 6: Final answer
    x = 946,292.38

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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.