Home / 1,142,863.26-1,714,629.44-511,636.38

Finding the Fourth Proportional to 1,142,863.26, 1,714,629.44 and 511,636.38

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Solution

The fourth proportional to 1,142,863.26, 1,714,629.44 and 511,636.38 is: 767,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,863.26 : 1,714,629.44 = 511,636.38 : x
  2. Step 2: Convert to fraction form
    1,142,863.26/1,714,629.44 = 511,636.38/x
  3. Step 3: Cross multiply
    1,142,863.26x = 1,714,629.44 × 511,636.38
  4. Step 4: Simplify right side
    1,142,863.26x = 877,266,799,723.03
  5. Step 5: Solve for x
    x = 877,266,799,723.03/1,142,863.26
  6. Step 6: Final answer
    x = 767,604.34

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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.