Home / 1,099,980-1,649,977.35-426,136.14

Finding the Fourth Proportional to 1,099,980, 1,649,977.35 and 426,136.14

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Solution

The fourth proportional to 1,099,980, 1,649,977.35 and 426,136.14 is: 639,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,980 : 1,649,977.35 = 426,136.14 : x
  2. Step 2: Convert to fraction form
    1,099,980/1,649,977.35 = 426,136.14/x
  3. Step 3: Cross multiply
    1,099,980x = 1,649,977.35 × 426,136.14
  4. Step 4: Simplify right side
    1,099,980x = 703,114,979,016.43
  5. Step 5: Solve for x
    x = 703,114,979,016.43/1,099,980
  6. Step 6: Final answer
    x = 639,207.06

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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.