Home / 1,022,143.86-1,525,340.97-897,747.30

Finding the Fourth Proportional to 1,022,143.86, 1,525,340.97 and 897,747.30

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Solution

The fourth proportional to 1,022,143.86, 1,525,340.97 and 897,747.30 is: 1,339,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,143.86 : 1,525,340.97 = 897,747.30 : x
  2. Step 2: Convert to fraction form
    1,022,143.86/1,525,340.97 = 897,747.30/x
  3. Step 3: Cross multiply
    1,022,143.86x = 1,525,340.97 × 897,747.30
  4. Step 4: Simplify right side
    1,022,143.86x = 1,369,370,737,396.88
  5. Step 5: Solve for x
    x = 1,369,370,737,396.88/1,022,143.86
  6. Step 6: Final answer
    x = 1,339,704.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.