Home / 1,028,793.54-1,420,107.76-837,474.78

Finding the Fourth Proportional to 1,028,793.54, 1,420,107.76 and 837,474.78

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Solution

The fourth proportional to 1,028,793.54, 1,420,107.76 and 837,474.78 is: 1,156,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,793.54 : 1,420,107.76 = 837,474.78 : x
  2. Step 2: Convert to fraction form
    1,028,793.54/1,420,107.76 = 837,474.78/x
  3. Step 3: Cross multiply
    1,028,793.54x = 1,420,107.76 × 837,474.78
  4. Step 4: Simplify right side
    1,028,793.54x = 1,189,304,433,882.29
  5. Step 5: Solve for x
    x = 1,189,304,433,882.29/1,028,793.54
  6. Step 6: Final answer
    x = 1,156,018.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.