Home / 891,623.70-1,335,754.04-690,963.21

Finding the Fourth Proportional to 891,623.70, 1,335,754.04 and 690,963.21

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Solution

The fourth proportional to 891,623.70, 1,335,754.04 and 690,963.21 is: 1,035,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,623.70 : 1,335,754.04 = 690,963.21 : x
  2. Step 2: Convert to fraction form
    891,623.70/1,335,754.04 = 690,963.21/x
  3. Step 3: Cross multiply
    891,623.70x = 1,335,754.04 × 690,963.21
  4. Step 4: Simplify right side
    891,623.70x = 922,956,895,794.05
  5. Step 5: Solve for x
    x = 922,956,895,794.05/891,623.70
  6. Step 6: Final answer
    x = 1,035,141.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.