Home / 1,399,610.50-2,099,249.07-823,578.10

Finding the Fourth Proportional to 1,399,610.50, 2,099,249.07 and 823,578.10

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Solution

The fourth proportional to 1,399,610.50, 2,099,249.07 and 823,578.10 is: 1,235,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,610.50 : 2,099,249.07 = 823,578.10 : x
  2. Step 2: Convert to fraction form
    1,399,610.50/2,099,249.07 = 823,578.10/x
  3. Step 3: Cross multiply
    1,399,610.50x = 2,099,249.07 × 823,578.10
  4. Step 4: Simplify right side
    1,399,610.50x = 1,728,895,560,497.37
  5. Step 5: Solve for x
    x = 1,728,895,560,497.37/1,399,610.50
  6. Step 6: Final answer
    x = 1,235,269.07

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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.