Home / 1,008,086.35-1,512,129.53-298,051.15

Finding the Fourth Proportional to 1,008,086.35, 1,512,129.53 and 298,051.15

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Solution

The fourth proportional to 1,008,086.35, 1,512,129.53 and 298,051.15 is: 447,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,086.35 : 1,512,129.53 = 298,051.15 : x
  2. Step 2: Convert to fraction form
    1,008,086.35/1,512,129.53 = 298,051.15/x
  3. Step 3: Cross multiply
    1,008,086.35x = 1,512,129.53 × 298,051.15
  4. Step 4: Simplify right side
    1,008,086.35x = 450,691,943,875.20
  5. Step 5: Solve for x
    x = 450,691,943,875.20/1,008,086.35
  6. Step 6: Final answer
    x = 447,076.73

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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.