Home / 1,589,218.76-2,383,775.04-690,660.56

Finding the Fourth Proportional to 1,589,218.76, 2,383,775.04 and 690,660.56

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Solution

The fourth proportional to 1,589,218.76, 2,383,775.04 and 690,660.56 is: 1,035,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,218.76 : 2,383,775.04 = 690,660.56 : x
  2. Step 2: Convert to fraction form
    1,589,218.76/2,383,775.04 = 690,660.56/x
  3. Step 3: Cross multiply
    1,589,218.76x = 2,383,775.04 × 690,660.56
  4. Step 4: Simplify right side
    1,589,218.76x = 1,646,379,404,040.42
  5. Step 5: Solve for x
    x = 1,646,379,404,040.42/1,589,218.76
  6. Step 6: Final answer
    x = 1,035,967.76

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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.