Home / 1,008,081.80-1,512,122.70-447,116.30

Finding the Fourth Proportional to 1,008,081.80, 1,512,122.70 and 447,116.30

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Solution

The fourth proportional to 1,008,081.80, 1,512,122.70 and 447,116.30 is: 670,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,081.80 : 1,512,122.70 = 447,116.30 : x
  2. Step 2: Convert to fraction form
    1,008,081.80/1,512,122.70 = 447,116.30/x
  3. Step 3: Cross multiply
    1,008,081.80x = 1,512,122.70 × 447,116.30
  4. Step 4: Simplify right side
    1,008,081.80x = 676,094,706,770.01
  5. Step 5: Solve for x
    x = 676,094,706,770.01/1,008,081.80
  6. Step 6: Final answer
    x = 670,674.45

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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.