Home / 1,198,879.80-1,799,010.90-451,462.20

Finding the Fourth Proportional to 1,198,879.80, 1,799,010.90 and 451,462.20

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Solution

The fourth proportional to 1,198,879.80, 1,799,010.90 and 451,462.20 is: 677,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,879.80 : 1,799,010.90 = 451,462.20 : x
  2. Step 2: Convert to fraction form
    1,198,879.80/1,799,010.90 = 451,462.20/x
  3. Step 3: Cross multiply
    1,198,879.80x = 1,799,010.90 × 451,462.20
  4. Step 4: Simplify right side
    1,198,879.80x = 812,185,418,737.98
  5. Step 5: Solve for x
    x = 812,185,418,737.98/1,198,879.80
  6. Step 6: Final answer
    x = 677,453.59

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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.