Home / 1,203,982.68-1,661,514.78-660,168.12

Finding the Fourth Proportional to 1,203,982.68, 1,661,514.78 and 660,168.12

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Solution

The fourth proportional to 1,203,982.68, 1,661,514.78 and 660,168.12 is: 911,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,982.68 : 1,661,514.78 = 660,168.12 : x
  2. Step 2: Convert to fraction form
    1,203,982.68/1,661,514.78 = 660,168.12/x
  3. Step 3: Cross multiply
    1,203,982.68x = 1,661,514.78 × 660,168.12
  4. Step 4: Simplify right side
    1,203,982.68x = 1,096,879,088,664.81
  5. Step 5: Solve for x
    x = 1,096,879,088,664.81/1,203,982.68
  6. Step 6: Final answer
    x = 911,042.25

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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.