Home / 1,086,187.38-1,629,361.01-287,463.52

Finding the Fourth Proportional to 1,086,187.38, 1,629,361.01 and 287,463.52

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Solution

The fourth proportional to 1,086,187.38, 1,629,361.01 and 287,463.52 is: 431,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,187.38 : 1,629,361.01 = 287,463.52 : x
  2. Step 2: Convert to fraction form
    1,086,187.38/1,629,361.01 = 287,463.52/x
  3. Step 3: Cross multiply
    1,086,187.38x = 1,629,361.01 × 287,463.52
  4. Step 4: Simplify right side
    1,086,187.38x = 468,381,851,285.36
  5. Step 5: Solve for x
    x = 468,381,851,285.36/1,086,187.38
  6. Step 6: Final answer
    x = 431,216.44

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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.