Home / 1,188,073.22-1,781,520.21-378,352.13

Finding the Fourth Proportional to 1,188,073.22, 1,781,520.21 and 378,352.13

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Solution

The fourth proportional to 1,188,073.22, 1,781,520.21 and 378,352.13 is: 567,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,073.22 : 1,781,520.21 = 378,352.13 : x
  2. Step 2: Convert to fraction form
    1,188,073.22/1,781,520.21 = 378,352.13/x
  3. Step 3: Cross multiply
    1,188,073.22x = 1,781,520.21 × 378,352.13
  4. Step 4: Simplify right side
    1,188,073.22x = 674,041,957,183.95
  5. Step 5: Solve for x
    x = 674,041,957,183.95/1,188,073.22
  6. Step 6: Final answer
    x = 567,340.42

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1.5x scale

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.