Home / 1,042,947.12-1,564,447.68-332,974.56

Finding the Fourth Proportional to 1,042,947.12, 1,564,447.68 and 332,974.56

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Solution

The fourth proportional to 1,042,947.12, 1,564,447.68 and 332,974.56 is: 499,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,947.12 : 1,564,447.68 = 332,974.56 : x
  2. Step 2: Convert to fraction form
    1,042,947.12/1,564,447.68 = 332,974.56/x
  3. Step 3: Cross multiply
    1,042,947.12x = 1,564,447.68 × 332,974.56
  4. Step 4: Simplify right side
    1,042,947.12x = 520,921,277,891.02
  5. Step 5: Solve for x
    x = 520,921,277,891.02/1,042,947.12
  6. Step 6: Final answer
    x = 499,470.46

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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.