Home / 890,846.40-1,336,269.60-741,255.60

Finding the Fourth Proportional to 890,846.40, 1,336,269.60 and 741,255.60

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Solution

The fourth proportional to 890,846.40, 1,336,269.60 and 741,255.60 is: 1,111,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,846.40 : 1,336,269.60 = 741,255.60 : x
  2. Step 2: Convert to fraction form
    890,846.40/1,336,269.60 = 741,255.60/x
  3. Step 3: Cross multiply
    890,846.40x = 1,336,269.60 × 741,255.60
  4. Step 4: Simplify right side
    890,846.40x = 990,517,324,109.76
  5. Step 5: Solve for x
    x = 990,517,324,109.76/890,846.40
  6. Step 6: Final answer
    x = 1,111,883.40

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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.