Home / 1,023,145.45-1,534,456.30-303,318.83

Finding the Fourth Proportional to 1,023,145.45, 1,534,456.30 and 303,318.83

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Solution

The fourth proportional to 1,023,145.45, 1,534,456.30 and 303,318.83 is: 454,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,145.45 : 1,534,456.30 = 303,318.83 : x
  2. Step 2: Convert to fraction form
    1,023,145.45/1,534,456.30 = 303,318.83/x
  3. Step 3: Cross multiply
    1,023,145.45x = 1,534,456.30 × 303,318.83
  4. Step 4: Simplify right side
    1,023,145.45x = 465,429,489,981.28
  5. Step 5: Solve for x
    x = 465,429,489,981.28/1,023,145.45
  6. Step 6: Final answer
    x = 454,900.61

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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.