Home / 1,200,890.88-1,801,331.46-481,554.18

Finding the Fourth Proportional to 1,200,890.88, 1,801,331.46 and 481,554.18

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Solution

The fourth proportional to 1,200,890.88, 1,801,331.46 and 481,554.18 is: 722,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,890.88 : 1,801,331.46 = 481,554.18 : x
  2. Step 2: Convert to fraction form
    1,200,890.88/1,801,331.46 = 481,554.18/x
  3. Step 3: Cross multiply
    1,200,890.88x = 1,801,331.46 × 481,554.18
  4. Step 4: Simplify right side
    1,200,890.88x = 867,438,694,128.50
  5. Step 5: Solve for x
    x = 867,438,694,128.50/1,200,890.88
  6. Step 6: Final answer
    x = 722,329.32

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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.