Home / 1,086,187.88-1,629,361.76-287,464.02

Finding the Fourth Proportional to 1,086,187.88, 1,629,361.76 and 287,464.02

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Solution

The fourth proportional to 1,086,187.88, 1,629,361.76 and 287,464.02 is: 431,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,187.88 : 1,629,361.76 = 287,464.02 : x
  2. Step 2: Convert to fraction form
    1,086,187.88/1,629,361.76 = 287,464.02/x
  3. Step 3: Cross multiply
    1,086,187.88x = 1,629,361.76 × 287,464.02
  4. Step 4: Simplify right side
    1,086,187.88x = 468,382,881,563.88
  5. Step 5: Solve for x
    x = 468,382,881,563.88/1,086,187.88
  6. Step 6: Final answer
    x = 431,217.19

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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.