Home / 1,102,521.20-1,653,976.20-392,961.20

Finding the Fourth Proportional to 1,102,521.20, 1,653,976.20 and 392,961.20

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Solution

The fourth proportional to 1,102,521.20, 1,653,976.20 and 392,961.20 is: 589,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,521.20 : 1,653,976.20 = 392,961.20 : x
  2. Step 2: Convert to fraction form
    1,102,521.20/1,653,976.20 = 392,961.20/x
  3. Step 3: Cross multiply
    1,102,521.20x = 1,653,976.20 × 392,961.20
  4. Step 4: Simplify right side
    1,102,521.20x = 649,948,472,323.44
  5. Step 5: Solve for x
    x = 649,948,472,323.44/1,102,521.20
  6. Step 6: Final answer
    x = 589,511.09

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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.