Home / 1,190,514.78-1,642,922.78-646,661.16

Finding the Fourth Proportional to 1,190,514.78, 1,642,922.78 and 646,661.16

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Solution

The fourth proportional to 1,190,514.78, 1,642,922.78 and 646,661.16 is: 892,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,514.78 : 1,642,922.78 = 646,661.16 : x
  2. Step 2: Convert to fraction form
    1,190,514.78/1,642,922.78 = 646,661.16/x
  3. Step 3: Cross multiply
    1,190,514.78x = 1,642,922.78 × 646,661.16
  4. Step 4: Simplify right side
    1,190,514.78x = 1,062,414,350,705.22
  5. Step 5: Solve for x
    x = 1,062,414,350,705.22/1,190,514.78
  6. Step 6: Final answer
    x = 892,399.13

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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.