Home / 995,881.60-1,493,822.40-820,921.60

Finding the Fourth Proportional to 995,881.60, 1,493,822.40 and 820,921.60

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Solution

The fourth proportional to 995,881.60, 1,493,822.40 and 820,921.60 is: 1,231,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,881.60 : 1,493,822.40 = 820,921.60 : x
  2. Step 2: Convert to fraction form
    995,881.60/1,493,822.40 = 820,921.60/x
  3. Step 3: Cross multiply
    995,881.60x = 1,493,822.40 × 820,921.60
  4. Step 4: Simplify right side
    995,881.60x = 1,226,311,074,723.84
  5. Step 5: Solve for x
    x = 1,226,311,074,723.84/995,881.60
  6. Step 6: Final answer
    x = 1,231,382.40

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Double scale
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Similar ratio
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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.