Home / 1,008,076.40-1,512,082.20-334,188.80

Finding the Fourth Proportional to 1,008,076.40, 1,512,082.20 and 334,188.80

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Solution

The fourth proportional to 1,008,076.40, 1,512,082.20 and 334,188.80 is: 501,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,076.40 : 1,512,082.20 = 334,188.80 : x
  2. Step 2: Convert to fraction form
    1,008,076.40/1,512,082.20 = 334,188.80/x
  3. Step 3: Cross multiply
    1,008,076.40x = 1,512,082.20 × 334,188.80
  4. Step 4: Simplify right side
    1,008,076.40x = 505,320,935,919.36
  5. Step 5: Solve for x
    x = 505,320,935,919.36/1,008,076.40
  6. Step 6: Final answer
    x = 501,272.46

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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.