Home / 680,578.66-1,020,790.23-181,981.54

Finding the Fourth Proportional to 680,578.66, 1,020,790.23 and 181,981.54

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Solution

The fourth proportional to 680,578.66, 1,020,790.23 and 181,981.54 is: 272,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,578.66 : 1,020,790.23 = 181,981.54 : x
  2. Step 2: Convert to fraction form
    680,578.66/1,020,790.23 = 181,981.54/x
  3. Step 3: Cross multiply
    680,578.66x = 1,020,790.23 × 181,981.54
  4. Step 4: Simplify right side
    680,578.66x = 185,764,978,665.91
  5. Step 5: Solve for x
    x = 185,764,978,665.91/680,578.66
  6. Step 6: Final answer
    x = 272,951.52

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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.