Home / 1,731,698.40-2,597,592.15-820,667.10

Finding the Fourth Proportional to 1,731,698.40, 2,597,592.15 and 820,667.10

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Solution

The fourth proportional to 1,731,698.40, 2,597,592.15 and 820,667.10 is: 1,231,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,698.40 : 2,597,592.15 = 820,667.10 : x
  2. Step 2: Convert to fraction form
    1,731,698.40/2,597,592.15 = 820,667.10/x
  3. Step 3: Cross multiply
    1,731,698.40x = 2,597,592.15 × 820,667.10
  4. Step 4: Simplify right side
    1,731,698.40x = 2,131,758,416,723.27
  5. Step 5: Solve for x
    x = 2,131,758,416,723.27/1,731,698.40
  6. Step 6: Final answer
    x = 1,231,021.76

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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.