Home / 1,381,505.60-2,072,258.40-384,233.60

Finding the Fourth Proportional to 1,381,505.60, 2,072,258.40 and 384,233.60

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Solution

The fourth proportional to 1,381,505.60, 2,072,258.40 and 384,233.60 is: 576,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,505.60 : 2,072,258.40 = 384,233.60 : x
  2. Step 2: Convert to fraction form
    1,381,505.60/2,072,258.40 = 384,233.60/x
  3. Step 3: Cross multiply
    1,381,505.60x = 2,072,258.40 × 384,233.60
  4. Step 4: Simplify right side
    1,381,505.60x = 796,231,305,162.24
  5. Step 5: Solve for x
    x = 796,231,305,162.24/1,381,505.60
  6. Step 6: Final answer
    x = 576,350.40

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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.