Home / 1,214,494.20-1,821,741.30-372,936.60

Finding the Fourth Proportional to 1,214,494.20, 1,821,741.30 and 372,936.60

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Solution

The fourth proportional to 1,214,494.20, 1,821,741.30 and 372,936.60 is: 559,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,494.20 : 1,821,741.30 = 372,936.60 : x
  2. Step 2: Convert to fraction form
    1,214,494.20/1,821,741.30 = 372,936.60/x
  3. Step 3: Cross multiply
    1,214,494.20x = 1,821,741.30 × 372,936.60
  4. Step 4: Simplify right side
    1,214,494.20x = 679,394,006,501.58
  5. Step 5: Solve for x
    x = 679,394,006,501.58/1,214,494.20
  6. Step 6: Final answer
    x = 559,404.90

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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.