Home / 1,479,919.07-2,042,288.31-800,855.57

Finding the Fourth Proportional to 1,479,919.07, 2,042,288.31 and 800,855.57

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Solution

The fourth proportional to 1,479,919.07, 2,042,288.31 and 800,855.57 is: 1,105,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,919.07 : 2,042,288.31 = 800,855.57 : x
  2. Step 2: Convert to fraction form
    1,479,919.07/2,042,288.31 = 800,855.57/x
  3. Step 3: Cross multiply
    1,479,919.07x = 2,042,288.31 × 800,855.57
  4. Step 4: Simplify right side
    1,479,919.07x = 1,635,577,968,609.39
  5. Step 5: Solve for x
    x = 1,635,577,968,609.39/1,479,919.07
  6. Step 6: Final answer
    x = 1,105,180.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.