Home / 1,016,867.79-1,525,310.73-258,710.22

Finding the Fourth Proportional to 1,016,867.79, 1,525,310.73 and 258,710.22

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Solution

The fourth proportional to 1,016,867.79, 1,525,310.73 and 258,710.22 is: 388,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,867.79 : 1,525,310.73 = 258,710.22 : x
  2. Step 2: Convert to fraction form
    1,016,867.79/1,525,310.73 = 258,710.22/x
  3. Step 3: Cross multiply
    1,016,867.79x = 1,525,310.73 × 258,710.22
  4. Step 4: Simplify right side
    1,016,867.79x = 394,613,474,526.66
  5. Step 5: Solve for x
    x = 394,613,474,526.66/1,016,867.79
  6. Step 6: Final answer
    x = 388,067.63

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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.