Home / 785,827.20-1,176,991.20-680,851.20

Finding the Fourth Proportional to 785,827.20, 1,176,991.20 and 680,851.20

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Solution

The fourth proportional to 785,827.20, 1,176,991.20 and 680,851.20 is: 1,019,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,827.20 : 1,176,991.20 = 680,851.20 : x
  2. Step 2: Convert to fraction form
    785,827.20/1,176,991.20 = 680,851.20/x
  3. Step 3: Cross multiply
    785,827.20x = 1,176,991.20 × 680,851.20
  4. Step 4: Simplify right side
    785,827.20x = 801,355,870,909.44
  5. Step 5: Solve for x
    x = 801,355,870,909.44/785,827.20
  6. Step 6: Final answer
    x = 1,019,760.92

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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.