Home / 1,212,829.82-1,817,447.48-492,294.78

Finding the Fourth Proportional to 1,212,829.82, 1,817,447.48 and 492,294.78

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Solution

The fourth proportional to 1,212,829.82, 1,817,447.48 and 492,294.78 is: 737,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,829.82 : 1,817,447.48 = 492,294.78 : x
  2. Step 2: Convert to fraction form
    1,212,829.82/1,817,447.48 = 492,294.78/x
  3. Step 3: Cross multiply
    1,212,829.82x = 1,817,447.48 × 492,294.78
  4. Step 4: Simplify right side
    1,212,829.82x = 894,719,907,328.15
  5. Step 5: Solve for x
    x = 894,719,907,328.15/1,212,829.82
  6. Step 6: Final answer
    x = 737,712.66

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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.