Home / 1,252,757.82-1,728,810.47-679,797.95

Finding the Fourth Proportional to 1,252,757.82, 1,728,810.47 and 679,797.95

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Solution

The fourth proportional to 1,252,757.82, 1,728,810.47 and 679,797.95 is: 938,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,757.82 : 1,728,810.47 = 679,797.95 : x
  2. Step 2: Convert to fraction form
    1,252,757.82/1,728,810.47 = 679,797.95/x
  3. Step 3: Cross multiply
    1,252,757.82x = 1,728,810.47 × 679,797.95
  4. Step 4: Simplify right side
    1,252,757.82x = 1,175,241,813,444.54
  5. Step 5: Solve for x
    x = 1,175,241,813,444.54/1,252,757.82
  6. Step 6: Final answer
    x = 938,123.71

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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.