Home / 1,151,521.35-1,728,778.75-885,468.65

Finding the Fourth Proportional to 1,151,521.35, 1,728,778.75 and 885,468.65

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Solution

The fourth proportional to 1,151,521.35, 1,728,778.75 and 885,468.65 is: 1,329,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,521.35 : 1,728,778.75 = 885,468.65 : x
  2. Step 2: Convert to fraction form
    1,151,521.35/1,728,778.75 = 885,468.65/x
  3. Step 3: Cross multiply
    1,151,521.35x = 1,728,778.75 × 885,468.65
  4. Step 4: Simplify right side
    1,151,521.35x = 1,530,779,375,053.62
  5. Step 5: Solve for x
    x = 1,530,779,375,053.62/1,151,521.35
  6. Step 6: Final answer
    x = 1,329,353.88

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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.