Home / 1,086,221.80-1,629,324.60-328,061.80

Finding the Fourth Proportional to 1,086,221.80, 1,629,324.60 and 328,061.80

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Solution

The fourth proportional to 1,086,221.80, 1,629,324.60 and 328,061.80 is: 492,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,221.80 : 1,629,324.60 = 328,061.80 : x
  2. Step 2: Convert to fraction form
    1,086,221.80/1,629,324.60 = 328,061.80/x
  3. Step 3: Cross multiply
    1,086,221.80x = 1,629,324.60 × 328,061.80
  4. Step 4: Simplify right side
    1,086,221.80x = 534,519,161,060.28
  5. Step 5: Solve for x
    x = 534,519,161,060.28/1,086,221.80
  6. Step 6: Final answer
    x = 492,090.25

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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.