Home / 1,515,790.65-2,091,794.85-827,462.97

Finding the Fourth Proportional to 1,515,790.65, 2,091,794.85 and 827,462.97

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Solution

The fourth proportional to 1,515,790.65, 2,091,794.85 and 827,462.97 is: 1,141,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,790.65 : 2,091,794.85 = 827,462.97 : x
  2. Step 2: Convert to fraction form
    1,515,790.65/2,091,794.85 = 827,462.97/x
  3. Step 3: Cross multiply
    1,515,790.65x = 2,091,794.85 × 827,462.97
  4. Step 4: Simplify right side
    1,515,790.65x = 1,730,882,782,372.53
  5. Step 5: Solve for x
    x = 1,730,882,782,372.53/1,515,790.65
  6. Step 6: Final answer
    x = 1,141,900.95

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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.