Home / 1,321,855.80-1,982,783.70-1,232,626.20

Finding the Fourth Proportional to 1,321,855.80, 1,982,783.70 and 1,232,626.20

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Solution

The fourth proportional to 1,321,855.80, 1,982,783.70 and 1,232,626.20 is: 1,848,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,855.80 : 1,982,783.70 = 1,232,626.20 : x
  2. Step 2: Convert to fraction form
    1,321,855.80/1,982,783.70 = 1,232,626.20/x
  3. Step 3: Cross multiply
    1,321,855.80x = 1,982,783.70 × 1,232,626.20
  4. Step 4: Simplify right side
    1,321,855.80x = 2,444,031,137,552.94
  5. Step 5: Solve for x
    x = 2,444,031,137,552.94/1,321,855.80
  6. Step 6: Final answer
    x = 1,848,939.30

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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.