Home / 1,731,698.90-2,597,592.90-820,667.60

Finding the Fourth Proportional to 1,731,698.90, 2,597,592.90 and 820,667.60

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Solution

The fourth proportional to 1,731,698.90, 2,597,592.90 and 820,667.60 is: 1,231,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,698.90 : 2,597,592.90 = 820,667.60 : x
  2. Step 2: Convert to fraction form
    1,731,698.90/2,597,592.90 = 820,667.60/x
  3. Step 3: Cross multiply
    1,731,698.90x = 2,597,592.90 × 820,667.60
  4. Step 4: Simplify right side
    1,731,698.90x = 2,131,760,331,020.04
  5. Step 5: Solve for x
    x = 2,131,760,331,020.04/1,731,698.90
  6. Step 6: Final answer
    x = 1,231,022.51

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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.