Home / 680,572.94-1,020,781.59-181,975.82

Finding the Fourth Proportional to 680,572.94, 1,020,781.59 and 181,975.82

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Solution

The fourth proportional to 680,572.94, 1,020,781.59 and 181,975.82 is: 272,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,572.94 : 1,020,781.59 = 181,975.82 : x
  2. Step 2: Convert to fraction form
    680,572.94/1,020,781.59 = 181,975.82/x
  3. Step 3: Cross multiply
    680,572.94x = 1,020,781.59 × 181,975.82
  4. Step 4: Simplify right side
    680,572.94x = 185,757,568,750.70
  5. Step 5: Solve for x
    x = 185,757,568,750.70/680,572.94
  6. Step 6: Final answer
    x = 272,942.92

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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.