Home / 1,215,559.30-1,823,654.19-646,472.43

Finding the Fourth Proportional to 1,215,559.30, 1,823,654.19 and 646,472.43

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Solution

The fourth proportional to 1,215,559.30, 1,823,654.19 and 646,472.43 is: 969,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,559.30 : 1,823,654.19 = 646,472.43 : x
  2. Step 2: Convert to fraction form
    1,215,559.30/1,823,654.19 = 646,472.43/x
  3. Step 3: Cross multiply
    1,215,559.30x = 1,823,654.19 × 646,472.43
  4. Step 4: Simplify right side
    1,215,559.30x = 1,178,942,152,456.62
  5. Step 5: Solve for x
    x = 1,178,942,152,456.62/1,215,559.30
  6. Step 6: Final answer
    x = 969,876.30

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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.