Home / 1,102,612.44-1,521,769.88-673,141.92

Finding the Fourth Proportional to 1,102,612.44, 1,521,769.88 and 673,141.92

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Solution

The fourth proportional to 1,102,612.44, 1,521,769.88 and 673,141.92 is: 929,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,612.44 : 1,521,769.88 = 673,141.92 : x
  2. Step 2: Convert to fraction form
    1,102,612.44/1,521,769.88 = 673,141.92/x
  3. Step 3: Cross multiply
    1,102,612.44x = 1,521,769.88 × 673,141.92
  4. Step 4: Simplify right side
    1,102,612.44x = 1,024,367,098,821.37
  5. Step 5: Solve for x
    x = 1,024,367,098,821.37/1,102,612.44
  6. Step 6: Final answer
    x = 929,036.41

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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.