Home / 993,198.78-1,489,811.74-283,226.69

Finding the Fourth Proportional to 993,198.78, 1,489,811.74 and 283,226.69

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Solution

The fourth proportional to 993,198.78, 1,489,811.74 and 283,226.69 is: 424,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,198.78 : 1,489,811.74 = 283,226.69 : x
  2. Step 2: Convert to fraction form
    993,198.78/1,489,811.74 = 283,226.69/x
  3. Step 3: Cross multiply
    993,198.78x = 1,489,811.74 × 283,226.69
  4. Step 4: Simplify right side
    993,198.78x = 421,954,450,859.80
  5. Step 5: Solve for x
    x = 421,954,450,859.80/993,198.78
  6. Step 6: Final answer
    x = 424,843.91

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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.