Home / 1,335,618.86-1,998,639.33-1,156,320.97

Finding the Fourth Proportional to 1,335,618.86, 1,998,639.33 and 1,156,320.97

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Solution

The fourth proportional to 1,335,618.86, 1,998,639.33 and 1,156,320.97 is: 1,730,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,618.86 : 1,998,639.33 = 1,156,320.97 : x
  2. Step 2: Convert to fraction form
    1,335,618.86/1,998,639.33 = 1,156,320.97/x
  3. Step 3: Cross multiply
    1,335,618.86x = 1,998,639.33 × 1,156,320.97
  4. Step 4: Simplify right side
    1,335,618.86x = 2,311,068,568,745.75
  5. Step 5: Solve for x
    x = 2,311,068,568,745.75/1,335,618.86
  6. Step 6: Final answer
    x = 1,730,335.38

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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.