Home / 1,324,217.40-1,986,422.45-554,942.94

Finding the Fourth Proportional to 1,324,217.40, 1,986,422.45 and 554,942.94

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Solution

The fourth proportional to 1,324,217.40, 1,986,422.45 and 554,942.94 is: 832,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,217.40 : 1,986,422.45 = 554,942.94 : x
  2. Step 2: Convert to fraction form
    1,324,217.40/1,986,422.45 = 554,942.94/x
  3. Step 3: Cross multiply
    1,324,217.40x = 1,986,422.45 × 554,942.94
  4. Step 4: Simplify right side
    1,324,217.40x = 1,102,351,111,710.29
  5. Step 5: Solve for x
    x = 1,102,351,111,710.29/1,324,217.40
  6. Step 6: Final answer
    x = 832,454.79

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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.