Home / 1,589,282.70-2,383,870.74-690,724.36

Finding the Fourth Proportional to 1,589,282.70, 2,383,870.74 and 690,724.36

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Solution

The fourth proportional to 1,589,282.70, 2,383,870.74 and 690,724.36 is: 1,036,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,282.70 : 2,383,870.74 = 690,724.36 : x
  2. Step 2: Convert to fraction form
    1,589,282.70/2,383,870.74 = 690,724.36/x
  3. Step 3: Cross multiply
    1,589,282.70x = 2,383,870.74 × 690,724.36
  4. Step 4: Simplify right side
    1,589,282.70x = 1,646,597,591,598.85
  5. Step 5: Solve for x
    x = 1,646,597,591,598.85/1,589,282.70
  6. Step 6: Final answer
    x = 1,036,063.37

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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.