Home / 2,723,920-4,085,868.98-830,655.96

Finding the Fourth Proportional to 2,723,920, 4,085,868.98 and 830,655.96

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Solution

The fourth proportional to 2,723,920, 4,085,868.98 and 830,655.96 is: 1,245,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,920 : 4,085,868.98 = 830,655.96 : x
  2. Step 2: Convert to fraction form
    2,723,920/4,085,868.98 = 830,655.96/x
  3. Step 3: Cross multiply
    2,723,920x = 4,085,868.98 × 830,655.96
  4. Step 4: Simplify right side
    2,723,920x = 3,393,951,420,016.12
  5. Step 5: Solve for x
    x = 3,393,951,420,016.12/2,723,920
  6. Step 6: Final answer
    x = 1,245,980.58

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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.