Home / 1,687,729.88-2,329,089.12-923,767.04

Finding the Fourth Proportional to 1,687,729.88, 2,329,089.12 and 923,767.04

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Solution

The fourth proportional to 1,687,729.88, 2,329,089.12 and 923,767.04 is: 1,274,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,729.88 : 2,329,089.12 = 923,767.04 : x
  2. Step 2: Convert to fraction form
    1,687,729.88/2,329,089.12 = 923,767.04/x
  3. Step 3: Cross multiply
    1,687,729.88x = 2,329,089.12 × 923,767.04
  4. Step 4: Simplify right side
    1,687,729.88x = 2,151,535,762,278.61
  5. Step 5: Solve for x
    x = 2,151,535,762,278.61/1,687,729.88
  6. Step 6: Final answer
    x = 1,274,810.49

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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.