Home / 1,265,811.27-1,746,825.11-685,034.48

Finding the Fourth Proportional to 1,265,811.27, 1,746,825.11 and 685,034.48

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Solution

The fourth proportional to 1,265,811.27, 1,746,825.11 and 685,034.48 is: 945,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,811.27 : 1,746,825.11 = 685,034.48 : x
  2. Step 2: Convert to fraction form
    1,265,811.27/1,746,825.11 = 685,034.48/x
  3. Step 3: Cross multiply
    1,265,811.27x = 1,746,825.11 × 685,034.48
  4. Step 4: Simplify right side
    1,265,811.27x = 1,196,635,430,879.79
  5. Step 5: Solve for x
    x = 1,196,635,430,879.79/1,265,811.27
  6. Step 6: Final answer
    x = 945,350.59

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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.