Home / 1,209,408.12-1,814,374.62-367,938

Finding the Fourth Proportional to 1,209,408.12, 1,814,374.62 and 367,938

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Solution

The fourth proportional to 1,209,408.12, 1,814,374.62 and 367,938 is: 551,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,408.12 : 1,814,374.62 = 367,938 : x
  2. Step 2: Convert to fraction form
    1,209,408.12/1,814,374.62 = 367,938/x
  3. Step 3: Cross multiply
    1,209,408.12x = 1,814,374.62 × 367,938
  4. Step 4: Simplify right side
    1,209,408.12x = 667,577,368,933.56
  5. Step 5: Solve for x
    x = 667,577,368,933.56/1,209,408.12
  6. Step 6: Final answer
    x = 551,986.84

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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.