Home / 1,045,243.30-1,568,849.10-646,662.55

Finding the Fourth Proportional to 1,045,243.30, 1,568,849.10 and 646,662.55

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Solution

The fourth proportional to 1,045,243.30, 1,568,849.10 and 646,662.55 is: 970,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,243.30 : 1,568,849.10 = 646,662.55 : x
  2. Step 2: Convert to fraction form
    1,045,243.30/1,568,849.10 = 646,662.55/x
  3. Step 3: Cross multiply
    1,045,243.30x = 1,568,849.10 × 646,662.55
  4. Step 4: Simplify right side
    1,045,243.30x = 1,014,515,959,571.21
  5. Step 5: Solve for x
    x = 1,014,515,959,571.21/1,045,243.30
  6. Step 6: Final answer
    x = 970,602.69

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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.