Home / 1,245,793.80-1,868,690.70-677,447.18

Finding the Fourth Proportional to 1,245,793.80, 1,868,690.70 and 677,447.18

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Solution

The fourth proportional to 1,245,793.80, 1,868,690.70 and 677,447.18 is: 1,016,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,793.80 : 1,868,690.70 = 677,447.18 : x
  2. Step 2: Convert to fraction form
    1,245,793.80/1,868,690.70 = 677,447.18/x
  3. Step 3: Cross multiply
    1,245,793.80x = 1,868,690.70 × 677,447.18
  4. Step 4: Simplify right side
    1,245,793.80x = 1,265,939,235,663.77
  5. Step 5: Solve for x
    x = 1,265,939,235,663.77/1,245,793.80
  6. Step 6: Final answer
    x = 1,016,170.76

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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.