Home / 1,700,998.20-2,551,497.30-690,604.20

Finding the Fourth Proportional to 1,700,998.20, 2,551,497.30 and 690,604.20

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Solution

The fourth proportional to 1,700,998.20, 2,551,497.30 and 690,604.20 is: 1,035,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,998.20 : 2,551,497.30 = 690,604.20 : x
  2. Step 2: Convert to fraction form
    1,700,998.20/2,551,497.30 = 690,604.20/x
  3. Step 3: Cross multiply
    1,700,998.20x = 2,551,497.30 × 690,604.20
  4. Step 4: Simplify right side
    1,700,998.20x = 1,762,074,751,668.66
  5. Step 5: Solve for x
    x = 1,762,074,751,668.66/1,700,998.20
  6. Step 6: Final answer
    x = 1,035,906.30

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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.