Home / 1,275,469.78-1,760,081.86-792,024.54

Finding the Fourth Proportional to 1,275,469.78, 1,760,081.86 and 792,024.54

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Solution

The fourth proportional to 1,275,469.78, 1,760,081.86 and 792,024.54 is: 1,092,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,469.78 : 1,760,081.86 = 792,024.54 : x
  2. Step 2: Convert to fraction form
    1,275,469.78/1,760,081.86 = 792,024.54/x
  3. Step 3: Cross multiply
    1,275,469.78x = 1,760,081.86 × 792,024.54
  4. Step 4: Simplify right side
    1,275,469.78x = 1,394,028,025,528.84
  5. Step 5: Solve for x
    x = 1,394,028,025,528.84/1,275,469.78
  6. Step 6: Final answer
    x = 1,092,952.61

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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.