Home / 1,410,671.20-2,115,086.64-511,942.72

Finding the Fourth Proportional to 1,410,671.20, 2,115,086.64 and 511,942.72

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Solution

The fourth proportional to 1,410,671.20, 2,115,086.64 and 511,942.72 is: 767,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,671.20 : 2,115,086.64 = 511,942.72 : x
  2. Step 2: Convert to fraction form
    1,410,671.20/2,115,086.64 = 511,942.72/x
  3. Step 3: Cross multiply
    1,410,671.20x = 2,115,086.64 × 511,942.72
  4. Step 4: Simplify right side
    1,410,671.20x = 1,082,803,207,517.26
  5. Step 5: Solve for x
    x = 1,082,803,207,517.26/1,410,671.20
  6. Step 6: Final answer
    x = 767,580.15

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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.