Home / 1,687,722.84-2,329,079.40-923,760

Finding the Fourth Proportional to 1,687,722.84, 2,329,079.40 and 923,760

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Solution

The fourth proportional to 1,687,722.84, 2,329,079.40 and 923,760 is: 1,274,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,722.84 : 2,329,079.40 = 923,760 : x
  2. Step 2: Convert to fraction form
    1,687,722.84/2,329,079.40 = 923,760/x
  3. Step 3: Cross multiply
    1,687,722.84x = 2,329,079.40 × 923,760
  4. Step 4: Simplify right side
    1,687,722.84x = 2,151,510,386,544
  5. Step 5: Solve for x
    x = 2,151,510,386,544/1,687,722.84
  6. Step 6: Final answer
    x = 1,274,800.78

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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.