Home / 1,942,589.44-2,913,184.32-820,745.92

Finding the Fourth Proportional to 1,942,589.44, 2,913,184.32 and 820,745.92

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Solution

The fourth proportional to 1,942,589.44, 2,913,184.32 and 820,745.92 is: 1,230,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,589.44 : 2,913,184.32 = 820,745.92 : x
  2. Step 2: Convert to fraction form
    1,942,589.44/2,913,184.32 = 820,745.92/x
  3. Step 3: Cross multiply
    1,942,589.44x = 2,913,184.32 × 820,745.92
  4. Step 4: Simplify right side
    1,942,589.44x = 2,390,984,144,847.97
  5. Step 5: Solve for x
    x = 2,390,984,144,847.97/1,942,589.44
  6. Step 6: Final answer
    x = 1,230,823.20

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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.