Home / 1,253,067.48-1,729,234.80-680,107.50

Finding the Fourth Proportional to 1,253,067.48, 1,729,234.80 and 680,107.50

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Solution

The fourth proportional to 1,253,067.48, 1,729,234.80 and 680,107.50 is: 938,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,067.48 : 1,729,234.80 = 680,107.50 : x
  2. Step 2: Convert to fraction form
    1,253,067.48/1,729,234.80 = 680,107.50/x
  3. Step 3: Cross multiply
    1,253,067.48x = 1,729,234.80 × 680,107.50
  4. Step 4: Simplify right side
    1,253,067.48x = 1,176,065,556,741
  5. Step 5: Solve for x
    x = 1,176,065,556,741/1,253,067.48
  6. Step 6: Final answer
    x = 938,549.26

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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.