Home / 1,179,631.20-1,769,101.20-548,392.80

Finding the Fourth Proportional to 1,179,631.20, 1,769,101.20 and 548,392.80

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Solution

The fourth proportional to 1,179,631.20, 1,769,101.20 and 548,392.80 is: 822,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,631.20 : 1,769,101.20 = 548,392.80 : x
  2. Step 2: Convert to fraction form
    1,179,631.20/1,769,101.20 = 548,392.80/x
  3. Step 3: Cross multiply
    1,179,631.20x = 1,769,101.20 × 548,392.80
  4. Step 4: Simplify right side
    1,179,631.20x = 970,162,360,551.36
  5. Step 5: Solve for x
    x = 970,162,360,551.36/1,179,631.20
  6. Step 6: Final answer
    x = 822,428.54

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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.