Home / 1,448,520.50-1,998,958.30-812,616.50

Finding the Fourth Proportional to 1,448,520.50, 1,998,958.30 and 812,616.50

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Solution

The fourth proportional to 1,448,520.50, 1,998,958.30 and 812,616.50 is: 1,121,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,520.50 : 1,998,958.30 = 812,616.50 : x
  2. Step 2: Convert to fraction form
    1,448,520.50/1,998,958.30 = 812,616.50/x
  3. Step 3: Cross multiply
    1,448,520.50x = 1,998,958.30 × 812,616.50
  4. Step 4: Simplify right side
    1,448,520.50x = 1,624,386,497,391.95
  5. Step 5: Solve for x
    x = 1,624,386,497,391.95/1,448,520.50
  6. Step 6: Final answer
    x = 1,121,410.78

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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.