Home / 1,433,619.18-1,978,379.52-789,025.56

Finding the Fourth Proportional to 1,433,619.18, 1,978,379.52 and 789,025.56

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Solution

The fourth proportional to 1,433,619.18, 1,978,379.52 and 789,025.56 is: 1,088,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,619.18 : 1,978,379.52 = 789,025.56 : x
  2. Step 2: Convert to fraction form
    1,433,619.18/1,978,379.52 = 789,025.56/x
  3. Step 3: Cross multiply
    1,433,619.18x = 1,978,379.52 × 789,025.56
  4. Step 4: Simplify right side
    1,433,619.18x = 1,560,992,008,660.53
  5. Step 5: Solve for x
    x = 1,560,992,008,660.53/1,433,619.18
  6. Step 6: Final answer
    x = 1,088,847.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.