Home / 1,489,198.17-2,234,018.70-690,560.46

Finding the Fourth Proportional to 1,489,198.17, 2,234,018.70 and 690,560.46

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Solution

The fourth proportional to 1,489,198.17, 2,234,018.70 and 690,560.46 is: 1,035,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,198.17 : 2,234,018.70 = 690,560.46 : x
  2. Step 2: Convert to fraction form
    1,489,198.17/2,234,018.70 = 690,560.46/x
  3. Step 3: Cross multiply
    1,489,198.17x = 2,234,018.70 × 690,560.46
  4. Step 4: Simplify right side
    1,489,198.17x = 1,542,724,981,120.60
  5. Step 5: Solve for x
    x = 1,542,724,981,120.60/1,489,198.17
  6. Step 6: Final answer
    x = 1,035,943.38

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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.