Home / 1,251,029.52-1,873,883.31-738,141.90

Finding the Fourth Proportional to 1,251,029.52, 1,873,883.31 and 738,141.90

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Solution

The fourth proportional to 1,251,029.52, 1,873,883.31 and 738,141.90 is: 1,105,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,029.52 : 1,873,883.31 = 738,141.90 : x
  2. Step 2: Convert to fraction form
    1,251,029.52/1,873,883.31 = 738,141.90/x
  3. Step 3: Cross multiply
    1,251,029.52x = 1,873,883.31 × 738,141.90
  4. Step 4: Simplify right side
    1,251,029.52x = 1,383,191,786,821.69
  5. Step 5: Solve for x
    x = 1,383,191,786,821.69/1,251,029.52
  6. Step 6: Final answer
    x = 1,105,642.80

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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.