Home / 1,261,960.40-1,892,940.60-789,568.40

Finding the Fourth Proportional to 1,261,960.40, 1,892,940.60 and 789,568.40

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Solution

The fourth proportional to 1,261,960.40, 1,892,940.60 and 789,568.40 is: 1,184,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,960.40 : 1,892,940.60 = 789,568.40 : x
  2. Step 2: Convert to fraction form
    1,261,960.40/1,892,940.60 = 789,568.40/x
  3. Step 3: Cross multiply
    1,261,960.40x = 1,892,940.60 × 789,568.40
  4. Step 4: Simplify right side
    1,261,960.40x = 1,494,606,080,837.04
  5. Step 5: Solve for x
    x = 1,494,606,080,837.04/1,261,960.40
  6. Step 6: Final answer
    x = 1,184,352.60

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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.