Home / 1,167,090.31-1,610,629.68-657,781.75

Finding the Fourth Proportional to 1,167,090.31, 1,610,629.68 and 657,781.75

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Solution

The fourth proportional to 1,167,090.31, 1,610,629.68 and 657,781.75 is: 907,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,090.31 : 1,610,629.68 = 657,781.75 : x
  2. Step 2: Convert to fraction form
    1,167,090.31/1,610,629.68 = 657,781.75/x
  3. Step 3: Cross multiply
    1,167,090.31x = 1,610,629.68 × 657,781.75
  4. Step 4: Simplify right side
    1,167,090.31x = 1,059,442,809,512.34
  5. Step 5: Solve for x
    x = 1,059,442,809,512.34/1,167,090.31
  6. Step 6: Final answer
    x = 907,764.21

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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.