Home / 1,273,944.78-1,910,917.31-327,315.47

Finding the Fourth Proportional to 1,273,944.78, 1,910,917.31 and 327,315.47

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Solution

The fourth proportional to 1,273,944.78, 1,910,917.31 and 327,315.47 is: 490,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,944.78 : 1,910,917.31 = 327,315.47 : x
  2. Step 2: Convert to fraction form
    1,273,944.78/1,910,917.31 = 327,315.47/x
  3. Step 3: Cross multiply
    1,273,944.78x = 1,910,917.31 × 327,315.47
  4. Step 4: Simplify right side
    1,273,944.78x = 625,472,786,262.62
  5. Step 5: Solve for x
    x = 625,472,786,262.62/1,273,944.78
  6. Step 6: Final answer
    x = 490,973.23

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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.