Home / 1,214,408.10-1,821,294.20-361,249.88

Finding the Fourth Proportional to 1,214,408.10, 1,821,294.20 and 361,249.88

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Solution

The fourth proportional to 1,214,408.10, 1,821,294.20 and 361,249.88 is: 541,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,408.10 : 1,821,294.20 = 361,249.88 : x
  2. Step 2: Convert to fraction form
    1,214,408.10/1,821,294.20 = 361,249.88/x
  3. Step 3: Cross multiply
    1,214,408.10x = 1,821,294.20 × 361,249.88
  4. Step 4: Simplify right side
    1,214,408.10x = 657,942,311,194.70
  5. Step 5: Solve for x
    x = 657,942,311,194.70/1,214,408.10
  6. Step 6: Final answer
    x = 541,780.24

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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.