Home / 1,326,997.02-1,990,496.94-329,725.02

Finding the Fourth Proportional to 1,326,997.02, 1,990,496.94 and 329,725.02

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Solution

The fourth proportional to 1,326,997.02, 1,990,496.94 and 329,725.02 is: 494,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,997.02 : 1,990,496.94 = 329,725.02 : x
  2. Step 2: Convert to fraction form
    1,326,997.02/1,990,496.94 = 329,725.02/x
  3. Step 3: Cross multiply
    1,326,997.02x = 1,990,496.94 × 329,725.02
  4. Step 4: Simplify right side
    1,326,997.02x = 656,316,643,351.44
  5. Step 5: Solve for x
    x = 656,316,643,351.44/1,326,997.02
  6. Step 6: Final answer
    x = 494,587.88

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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.