Home / 1,253,267.03-1,729,496.61-680,306.45

Finding the Fourth Proportional to 1,253,267.03, 1,729,496.61 and 680,306.45

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Solution

The fourth proportional to 1,253,267.03, 1,729,496.61 and 680,306.45 is: 938,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,267.03 : 1,729,496.61 = 680,306.45 : x
  2. Step 2: Convert to fraction form
    1,253,267.03/1,729,496.61 = 680,306.45/x
  3. Step 3: Cross multiply
    1,253,267.03x = 1,729,496.61 × 680,306.45
  4. Step 4: Simplify right side
    1,253,267.03x = 1,176,587,690,388.65
  5. Step 5: Solve for x
    x = 1,176,587,690,388.65/1,253,267.03
  6. Step 6: Final answer
    x = 938,816.44

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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.