Home / 1,327,396.78-1,991,089.47-367,849.63

Finding the Fourth Proportional to 1,327,396.78, 1,991,089.47 and 367,849.63

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Solution

The fourth proportional to 1,327,396.78, 1,991,089.47 and 367,849.63 is: 551,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,396.78 : 1,991,089.47 = 367,849.63 : x
  2. Step 2: Convert to fraction form
    1,327,396.78/1,991,089.47 = 367,849.63/x
  3. Step 3: Cross multiply
    1,327,396.78x = 1,991,089.47 × 367,849.63
  4. Step 4: Simplify right side
    1,327,396.78x = 732,421,524,836.40
  5. Step 5: Solve for x
    x = 732,421,524,836.40/1,327,396.78
  6. Step 6: Final answer
    x = 551,772.87

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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.