Home / 1,384,472.70-2,072,561.85-823,218.30

Finding the Fourth Proportional to 1,384,472.70, 2,072,561.85 and 823,218.30

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Solution

The fourth proportional to 1,384,472.70, 2,072,561.85 and 823,218.30 is: 1,232,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,472.70 : 2,072,561.85 = 823,218.30 : x
  2. Step 2: Convert to fraction form
    1,384,472.70/2,072,561.85 = 823,218.30/x
  3. Step 3: Cross multiply
    1,384,472.70x = 2,072,561.85 × 823,218.30
  4. Step 4: Simplify right side
    1,384,472.70x = 1,706,170,842,801.86
  5. Step 5: Solve for x
    x = 1,706,170,842,801.86/1,384,472.70
  6. Step 6: Final answer
    x = 1,232,361.49

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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.