Home / 1,325,408.20-1,989,149.10-615,524.20

Finding the Fourth Proportional to 1,325,408.20, 1,989,149.10 and 615,524.20

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Solution

The fourth proportional to 1,325,408.20, 1,989,149.10 and 615,524.20 is: 923,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,408.20 : 1,989,149.10 = 615,524.20 : x
  2. Step 2: Convert to fraction form
    1,325,408.20/1,989,149.10 = 615,524.20/x
  3. Step 3: Cross multiply
    1,325,408.20x = 1,989,149.10 × 615,524.20
  4. Step 4: Simplify right side
    1,325,408.20x = 1,224,369,408,458.22
  5. Step 5: Solve for x
    x = 1,224,369,408,458.22/1,325,408.20
  6. Step 6: Final answer
    x = 923,767.79

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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.