Home / 1,861,274.43-2,568,560.07-1,045,478.55

Finding the Fourth Proportional to 1,861,274.43, 2,568,560.07 and 1,045,478.55

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Solution

The fourth proportional to 1,861,274.43, 2,568,560.07 and 1,045,478.55 is: 1,442,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,274.43 : 2,568,560.07 = 1,045,478.55 : x
  2. Step 2: Convert to fraction form
    1,861,274.43/2,568,560.07 = 1,045,478.55/x
  3. Step 3: Cross multiply
    1,861,274.43x = 2,568,560.07 × 1,045,478.55
  4. Step 4: Simplify right side
    1,861,274.43x = 2,685,374,457,571.50
  5. Step 5: Solve for x
    x = 2,685,374,457,571.50/1,861,274.43
  6. Step 6: Final answer
    x = 1,442,761.16

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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.