Home / 1,861,465.28-2,568,542.24-1,045,512.58

Finding the Fourth Proportional to 1,861,465.28, 2,568,542.24 and 1,045,512.58

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Solution

The fourth proportional to 1,861,465.28, 2,568,542.24 and 1,045,512.58 is: 1,442,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,465.28 : 2,568,542.24 = 1,045,512.58 : x
  2. Step 2: Convert to fraction form
    1,861,465.28/2,568,542.24 = 1,045,512.58/x
  3. Step 3: Cross multiply
    1,861,465.28x = 2,568,542.24 × 1,045,512.58
  4. Step 4: Simplify right side
    1,861,465.28x = 2,685,443,224,181.38
  5. Step 5: Solve for x
    x = 2,685,443,224,181.38/1,861,465.28
  6. Step 6: Final answer
    x = 1,442,650.18

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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.