Home / 1,786,727.30-2,680,591.20-722,516.70

Finding the Fourth Proportional to 1,786,727.30, 2,680,591.20 and 722,516.70

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Solution

The fourth proportional to 1,786,727.30, 2,680,591.20 and 722,516.70 is: 1,083,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,727.30 : 2,680,591.20 = 722,516.70 : x
  2. Step 2: Convert to fraction form
    1,786,727.30/2,680,591.20 = 722,516.70/x
  3. Step 3: Cross multiply
    1,786,727.30x = 2,680,591.20 × 722,516.70
  4. Step 4: Simplify right side
    1,786,727.30x = 1,936,771,907,873.04
  5. Step 5: Solve for x
    x = 1,936,771,907,873.04/1,786,727.30
  6. Step 6: Final answer
    x = 1,083,977.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.