Home / 1,119,297.20-1,679,334.60-488,663.60

Finding the Fourth Proportional to 1,119,297.20, 1,679,334.60 and 488,663.60

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Solution

The fourth proportional to 1,119,297.20, 1,679,334.60 and 488,663.60 is: 733,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,297.20 : 1,679,334.60 = 488,663.60 : x
  2. Step 2: Convert to fraction form
    1,119,297.20/1,679,334.60 = 488,663.60/x
  3. Step 3: Cross multiply
    1,119,297.20x = 1,679,334.60 × 488,663.60
  4. Step 4: Simplify right side
    1,119,297.20x = 820,629,691,240.56
  5. Step 5: Solve for x
    x = 820,629,691,240.56/1,119,297.20
  6. Step 6: Final answer
    x = 733,165.14

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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.