Home / 1,294,964.70-1,942,504.65-442,023.90

Finding the Fourth Proportional to 1,294,964.70, 1,942,504.65 and 442,023.90

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Solution

The fourth proportional to 1,294,964.70, 1,942,504.65 and 442,023.90 is: 663,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,964.70 : 1,942,504.65 = 442,023.90 : x
  2. Step 2: Convert to fraction form
    1,294,964.70/1,942,504.65 = 442,023.90/x
  3. Step 3: Cross multiply
    1,294,964.70x = 1,942,504.65 × 442,023.90
  4. Step 4: Simplify right side
    1,294,964.70x = 858,633,481,161.14
  5. Step 5: Solve for x
    x = 858,633,481,161.14/1,294,964.70
  6. Step 6: Final answer
    x = 663,055.51

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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.