Home / 1,129,121.50-1,694,014.96-454,855.84

Finding the Fourth Proportional to 1,129,121.50, 1,694,014.96 and 454,855.84

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Solution

The fourth proportional to 1,129,121.50, 1,694,014.96 and 454,855.84 is: 682,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,121.50 : 1,694,014.96 = 454,855.84 : x
  2. Step 2: Convert to fraction form
    1,129,121.50/1,694,014.96 = 454,855.84/x
  3. Step 3: Cross multiply
    1,129,121.50x = 1,694,014.96 × 454,855.84
  4. Step 4: Simplify right side
    1,129,121.50x = 770,532,597,603.37
  5. Step 5: Solve for x
    x = 770,532,597,603.37/1,129,121.50
  6. Step 6: Final answer
    x = 682,417.79

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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.