Home / 1,028,755.28-1,545,504.60-986,240.72

Finding the Fourth Proportional to 1,028,755.28, 1,545,504.60 and 986,240.72

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Solution

The fourth proportional to 1,028,755.28, 1,545,504.60 and 986,240.72 is: 1,481,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,755.28 : 1,545,504.60 = 986,240.72 : x
  2. Step 2: Convert to fraction form
    1,028,755.28/1,545,504.60 = 986,240.72/x
  3. Step 3: Cross multiply
    1,028,755.28x = 1,545,504.60 × 986,240.72
  4. Step 4: Simplify right side
    1,028,755.28x = 1,524,239,569,467.31
  5. Step 5: Solve for x
    x = 1,524,239,569,467.31/1,028,755.28
  6. Step 6: Final answer
    x = 1,481,634.75

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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.