Home / 1,253,815.95-1,730,272.42-680,856.13

Finding the Fourth Proportional to 1,253,815.95, 1,730,272.42 and 680,856.13

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Solution

The fourth proportional to 1,253,815.95, 1,730,272.42 and 680,856.13 is: 939,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,815.95 : 1,730,272.42 = 680,856.13 : x
  2. Step 2: Convert to fraction form
    1,253,815.95/1,730,272.42 = 680,856.13/x
  3. Step 3: Cross multiply
    1,253,815.95x = 1,730,272.42 × 680,856.13
  4. Step 4: Simplify right side
    1,253,815.95x = 1,178,066,586,740.85
  5. Step 5: Solve for x
    x = 1,178,066,586,740.85/1,253,815.95
  6. Step 6: Final answer
    x = 939,584.94

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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.