Home / 680,580.78-1,020,793.42-181,983.66

Finding the Fourth Proportional to 680,580.78, 1,020,793.42 and 181,983.66

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Solution

The fourth proportional to 680,580.78, 1,020,793.42 and 181,983.66 is: 272,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,580.78 : 1,020,793.42 = 181,983.66 : x
  2. Step 2: Convert to fraction form
    680,580.78/1,020,793.42 = 181,983.66/x
  3. Step 3: Cross multiply
    680,580.78x = 1,020,793.42 × 181,983.66
  4. Step 4: Simplify right side
    680,580.78x = 185,767,722,675.52
  5. Step 5: Solve for x
    x = 185,767,722,675.52/680,580.78
  6. Step 6: Final answer
    x = 272,954.70

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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.