Home / 1,008,226.10-1,512,339.15-931,243.70

Finding the Fourth Proportional to 1,008,226.10, 1,512,339.15 and 931,243.70

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Solution

The fourth proportional to 1,008,226.10, 1,512,339.15 and 931,243.70 is: 1,396,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,226.10 : 1,512,339.15 = 931,243.70 : x
  2. Step 2: Convert to fraction form
    1,008,226.10/1,512,339.15 = 931,243.70/x
  3. Step 3: Cross multiply
    1,008,226.10x = 1,512,339.15 × 931,243.70
  4. Step 4: Simplify right side
    1,008,226.10x = 1,408,356,305,700.85
  5. Step 5: Solve for x
    x = 1,408,356,305,700.85/1,008,226.10
  6. Step 6: Final answer
    x = 1,396,865.55

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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.