Home / 1,230,228.70-1,845,343.05-850,346.80

Finding the Fourth Proportional to 1,230,228.70, 1,845,343.05 and 850,346.80

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Solution

The fourth proportional to 1,230,228.70, 1,845,343.05 and 850,346.80 is: 1,275,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,228.70 : 1,845,343.05 = 850,346.80 : x
  2. Step 2: Convert to fraction form
    1,230,228.70/1,845,343.05 = 850,346.80/x
  3. Step 3: Cross multiply
    1,230,228.70x = 1,845,343.05 × 850,346.80
  4. Step 4: Simplify right side
    1,230,228.70x = 1,569,181,557,469.74
  5. Step 5: Solve for x
    x = 1,569,181,557,469.74/1,230,228.70
  6. Step 6: Final answer
    x = 1,275,520.20

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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.