Home / 1,367,920.32-2,052,932.29-1,297,676.61

Finding the Fourth Proportional to 1,367,920.32, 2,052,932.29 and 1,297,676.61

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Solution

The fourth proportional to 1,367,920.32, 2,052,932.29 and 1,297,676.61 is: 1,947,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,920.32 : 2,052,932.29 = 1,297,676.61 : x
  2. Step 2: Convert to fraction form
    1,367,920.32/2,052,932.29 = 1,297,676.61/x
  3. Step 3: Cross multiply
    1,367,920.32x = 2,052,932.29 × 1,297,676.61
  4. Step 4: Simplify right side
    1,367,920.32x = 2,664,042,213,376.98
  5. Step 5: Solve for x
    x = 2,664,042,213,376.98/1,367,920.32
  6. Step 6: Final answer
    x = 1,947,512.72

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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.