Home / 1,384,331.20-2,072,349.60-823,076.80

Finding the Fourth Proportional to 1,384,331.20, 2,072,349.60 and 823,076.80

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Solution

The fourth proportional to 1,384,331.20, 2,072,349.60 and 823,076.80 is: 1,232,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,331.20 : 2,072,349.60 = 823,076.80 : x
  2. Step 2: Convert to fraction form
    1,384,331.20/2,072,349.60 = 823,076.80/x
  3. Step 3: Cross multiply
    1,384,331.20x = 2,072,349.60 × 823,076.80
  4. Step 4: Simplify right side
    1,384,331.20x = 1,705,702,877,249.28
  5. Step 5: Solve for x
    x = 1,705,702,877,249.28/1,384,331.20
  6. Step 6: Final answer
    x = 1,232,149.41

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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.