Home / 1,494,121.20-2,241,181.80-372,190.20

Finding the Fourth Proportional to 1,494,121.20, 2,241,181.80 and 372,190.20

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Solution

The fourth proportional to 1,494,121.20, 2,241,181.80 and 372,190.20 is: 558,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,121.20 : 2,241,181.80 = 372,190.20 : x
  2. Step 2: Convert to fraction form
    1,494,121.20/2,241,181.80 = 372,190.20/x
  3. Step 3: Cross multiply
    1,494,121.20x = 2,241,181.80 × 372,190.20
  4. Step 4: Simplify right side
    1,494,121.20x = 834,145,902,378.36
  5. Step 5: Solve for x
    x = 834,145,902,378.36/1,494,121.20
  6. Step 6: Final answer
    x = 558,285.30

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Double scale
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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.