Home / 1,393,458.27-2,090,190.78-382,594.20

Finding the Fourth Proportional to 1,393,458.27, 2,090,190.78 and 382,594.20

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Solution

The fourth proportional to 1,393,458.27, 2,090,190.78 and 382,594.20 is: 573,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,458.27 : 2,090,190.78 = 382,594.20 : x
  2. Step 2: Convert to fraction form
    1,393,458.27/2,090,190.78 = 382,594.20/x
  3. Step 3: Cross multiply
    1,393,458.27x = 2,090,190.78 × 382,594.20
  4. Step 4: Simplify right side
    1,393,458.27x = 799,694,869,321.48
  5. Step 5: Solve for x
    x = 799,694,869,321.48/1,393,458.27
  6. Step 6: Final answer
    x = 573,892.23

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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.