Home / 1,224,767.97-1,690,084.08-680,870.70

Finding the Fourth Proportional to 1,224,767.97, 1,690,084.08 and 680,870.70

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Solution

The fourth proportional to 1,224,767.97, 1,690,084.08 and 680,870.70 is: 939,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,767.97 : 1,690,084.08 = 680,870.70 : x
  2. Step 2: Convert to fraction form
    1,224,767.97/1,690,084.08 = 680,870.70/x
  3. Step 3: Cross multiply
    1,224,767.97x = 1,690,084.08 × 680,870.70
  4. Step 4: Simplify right side
    1,224,767.97x = 1,150,728,730,608.46
  5. Step 5: Solve for x
    x = 1,150,728,730,608.46/1,224,767.97
  6. Step 6: Final answer
    x = 939,548.35

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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.