Home / 1,327,397.78-1,991,090.97-367,850.63

Finding the Fourth Proportional to 1,327,397.78, 1,991,090.97 and 367,850.63

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Solution

The fourth proportional to 1,327,397.78, 1,991,090.97 and 367,850.63 is: 551,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,397.78 : 1,991,090.97 = 367,850.63 : x
  2. Step 2: Convert to fraction form
    1,327,397.78/1,991,090.97 = 367,850.63/x
  3. Step 3: Cross multiply
    1,327,397.78x = 1,991,090.97 × 367,850.63
  4. Step 4: Simplify right side
    1,327,397.78x = 732,424,067,701.81
  5. Step 5: Solve for x
    x = 732,424,067,701.81/1,327,397.78
  6. Step 6: Final answer
    x = 551,774.37

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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.