Home / 785,830.20-1,176,995.70-680,854.20

Finding the Fourth Proportional to 785,830.20, 1,176,995.70 and 680,854.20

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Solution

The fourth proportional to 785,830.20, 1,176,995.70 and 680,854.20 is: 1,019,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,830.20 : 1,176,995.70 = 680,854.20 : x
  2. Step 2: Convert to fraction form
    785,830.20/1,176,995.70 = 680,854.20/x
  3. Step 3: Cross multiply
    785,830.20x = 1,176,995.70 × 680,854.20
  4. Step 4: Simplify right side
    785,830.20x = 801,362,465,726.94
  5. Step 5: Solve for x
    x = 801,362,465,726.94/785,830.20
  6. Step 6: Final answer
    x = 1,019,765.42

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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.