Home / 1,876,903.80-2,815,361.46-456,960.12

Finding the Fourth Proportional to 1,876,903.80, 2,815,361.46 and 456,960.12

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Solution

The fourth proportional to 1,876,903.80, 2,815,361.46 and 456,960.12 is: 685,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,903.80 : 2,815,361.46 = 456,960.12 : x
  2. Step 2: Convert to fraction form
    1,876,903.80/2,815,361.46 = 456,960.12/x
  3. Step 3: Cross multiply
    1,876,903.80x = 2,815,361.46 × 456,960.12
  4. Step 4: Simplify right side
    1,876,903.80x = 1,286,507,910,604.98
  5. Step 5: Solve for x
    x = 1,286,507,910,604.98/1,876,903.80
  6. Step 6: Final answer
    x = 685,441.58

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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.