Home / 1,222,660.80-1,833,991.20-423,676.80

Finding the Fourth Proportional to 1,222,660.80, 1,833,991.20 and 423,676.80

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Solution

The fourth proportional to 1,222,660.80, 1,833,991.20 and 423,676.80 is: 635,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,660.80 : 1,833,991.20 = 423,676.80 : x
  2. Step 2: Convert to fraction form
    1,222,660.80/1,833,991.20 = 423,676.80/x
  3. Step 3: Cross multiply
    1,222,660.80x = 1,833,991.20 × 423,676.80
  4. Step 4: Simplify right side
    1,222,660.80x = 777,019,522,844.16
  5. Step 5: Solve for x
    x = 777,019,522,844.16/1,222,660.80
  6. Step 6: Final answer
    x = 635,515.20

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Double scale
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Similar ratio
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1.5x scale

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.