Home / 1,144,015.40-1,717,991.40-746,418.80

Finding the Fourth Proportional to 1,144,015.40, 1,717,991.40 and 746,418.80

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Solution

The fourth proportional to 1,144,015.40, 1,717,991.40 and 746,418.80 is: 1,120,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,015.40 : 1,717,991.40 = 746,418.80 : x
  2. Step 2: Convert to fraction form
    1,144,015.40/1,717,991.40 = 746,418.80/x
  3. Step 3: Cross multiply
    1,144,015.40x = 1,717,991.40 × 746,418.80
  4. Step 4: Simplify right side
    1,144,015.40x = 1,282,341,079,198.32
  5. Step 5: Solve for x
    x = 1,282,341,079,198.32/1,144,015.40
  6. Step 6: Final answer
    x = 1,120,912.43

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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.