Home / 1,228,243.44-1,840,119.76-890,447.52

Finding the Fourth Proportional to 1,228,243.44, 1,840,119.76 and 890,447.52

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Solution

The fourth proportional to 1,228,243.44, 1,840,119.76 and 890,447.52 is: 1,334,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,243.44 : 1,840,119.76 = 890,447.52 : x
  2. Step 2: Convert to fraction form
    1,228,243.44/1,840,119.76 = 890,447.52/x
  3. Step 3: Cross multiply
    1,228,243.44x = 1,840,119.76 × 890,447.52
  4. Step 4: Simplify right side
    1,228,243.44x = 1,638,530,076,795.00
  5. Step 5: Solve for x
    x = 1,638,530,076,795.00/1,228,243.44
  6. Step 6: Final answer
    x = 1,334,043.42

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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.