Home / 1,069,745.88-1,476,411.88-682,728.28

Finding the Fourth Proportional to 1,069,745.88, 1,476,411.88 and 682,728.28

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Solution

The fourth proportional to 1,069,745.88, 1,476,411.88 and 682,728.28 is: 942,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,745.88 : 1,476,411.88 = 682,728.28 : x
  2. Step 2: Convert to fraction form
    1,069,745.88/1,476,411.88 = 682,728.28/x
  3. Step 3: Cross multiply
    1,069,745.88x = 1,476,411.88 × 682,728.28
  4. Step 4: Simplify right side
    1,069,745.88x = 1,007,988,143,403.97
  5. Step 5: Solve for x
    x = 1,007,988,143,403.97/1,069,745.88
  6. Step 6: Final answer
    x = 942,268.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.