Home / 1,253,281.04-1,729,481.64-680,308.64

Finding the Fourth Proportional to 1,253,281.04, 1,729,481.64 and 680,308.64

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Solution

The fourth proportional to 1,253,281.04, 1,729,481.64 and 680,308.64 is: 938,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,281.04 : 1,729,481.64 = 680,308.64 : x
  2. Step 2: Convert to fraction form
    1,253,281.04/1,729,481.64 = 680,308.64/x
  3. Step 3: Cross multiply
    1,253,281.04x = 1,729,481.64 × 680,308.64
  4. Step 4: Simplify right side
    1,253,281.04x = 1,176,581,302,413.37
  5. Step 5: Solve for x
    x = 1,176,581,302,413.37/1,253,281.04
  6. Step 6: Final answer
    x = 938,800.85

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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.