Home / 1,361,642.88-2,042,767.62-415,087.32

Finding the Fourth Proportional to 1,361,642.88, 2,042,767.62 and 415,087.32

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Solution

The fourth proportional to 1,361,642.88, 2,042,767.62 and 415,087.32 is: 622,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,642.88 : 2,042,767.62 = 415,087.32 : x
  2. Step 2: Convert to fraction form
    1,361,642.88/2,042,767.62 = 415,087.32/x
  3. Step 3: Cross multiply
    1,361,642.88x = 2,042,767.62 × 415,087.32
  4. Step 4: Simplify right side
    1,361,642.88x = 847,926,936,768.58
  5. Step 5: Solve for x
    x = 847,926,936,768.58/1,361,642.88
  6. Step 6: Final answer
    x = 622,723.44

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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.