Home / 1,152,180.73-1,589,565.94-721,711.45

Finding the Fourth Proportional to 1,152,180.73, 1,589,565.94 and 721,711.45

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Solution

The fourth proportional to 1,152,180.73, 1,589,565.94 and 721,711.45 is: 995,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,180.73 : 1,589,565.94 = 721,711.45 : x
  2. Step 2: Convert to fraction form
    1,152,180.73/1,589,565.94 = 721,711.45/x
  3. Step 3: Cross multiply
    1,152,180.73x = 1,589,565.94 × 721,711.45
  4. Step 4: Simplify right side
    1,152,180.73x = 1,147,207,939,428.01
  5. Step 5: Solve for x
    x = 1,147,207,939,428.01/1,152,180.73
  6. Step 6: Final answer
    x = 995,684.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.