Home / 1,376,105.80-2,061,048.30-816,233.80

Finding the Fourth Proportional to 1,376,105.80, 2,061,048.30 and 816,233.80

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Solution

The fourth proportional to 1,376,105.80, 2,061,048.30 and 816,233.80 is: 1,222,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,105.80 : 2,061,048.30 = 816,233.80 : x
  2. Step 2: Convert to fraction form
    1,376,105.80/2,061,048.30 = 816,233.80/x
  3. Step 3: Cross multiply
    1,376,105.80x = 2,061,048.30 × 816,233.80
  4. Step 4: Simplify right side
    1,376,105.80x = 1,682,297,285,892.54
  5. Step 5: Solve for x
    x = 1,682,297,285,892.54/1,376,105.80
  6. Step 6: Final answer
    x = 1,222,505.77

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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.