Home / 1,110,591.40-1,665,714.30-311,794.60

Finding the Fourth Proportional to 1,110,591.40, 1,665,714.30 and 311,794.60

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Solution

The fourth proportional to 1,110,591.40, 1,665,714.30 and 311,794.60 is: 467,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,591.40 : 1,665,714.30 = 311,794.60 : x
  2. Step 2: Convert to fraction form
    1,110,591.40/1,665,714.30 = 311,794.60/x
  3. Step 3: Cross multiply
    1,110,591.40x = 1,665,714.30 × 311,794.60
  4. Step 4: Simplify right side
    1,110,591.40x = 519,360,723,882.78
  5. Step 5: Solve for x
    x = 519,360,723,882.78/1,110,591.40
  6. Step 6: Final answer
    x = 467,643.39

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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.