Home / 1,489,199.17-2,234,020.20-690,561.46

Finding the Fourth Proportional to 1,489,199.17, 2,234,020.20 and 690,561.46

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Solution

The fourth proportional to 1,489,199.17, 2,234,020.20 and 690,561.46 is: 1,035,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,199.17 : 2,234,020.20 = 690,561.46 : x
  2. Step 2: Convert to fraction form
    1,489,199.17/2,234,020.20 = 690,561.46/x
  3. Step 3: Cross multiply
    1,489,199.17x = 2,234,020.20 × 690,561.46
  4. Step 4: Simplify right side
    1,489,199.17x = 1,542,728,250,981.49
  5. Step 5: Solve for x
    x = 1,542,728,250,981.49/1,489,199.17
  6. Step 6: Final answer
    x = 1,035,944.88

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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.