Home / 1,687,721.88-2,329,078.07-923,759.04

Finding the Fourth Proportional to 1,687,721.88, 2,329,078.07 and 923,759.04

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Solution

The fourth proportional to 1,687,721.88, 2,329,078.07 and 923,759.04 is: 1,274,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,721.88 : 2,329,078.07 = 923,759.04 : x
  2. Step 2: Convert to fraction form
    1,687,721.88/2,329,078.07 = 923,759.04/x
  3. Step 3: Cross multiply
    1,687,721.88x = 2,329,078.07 × 923,759.04
  4. Step 4: Simplify right side
    1,687,721.88x = 2,151,506,922,028.25
  5. Step 5: Solve for x
    x = 2,151,506,922,028.25/1,687,721.88
  6. Step 6: Final answer
    x = 1,274,799.45

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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.