Home / 1,198,868.72-1,798,261.56-300,318.17

Finding the Fourth Proportional to 1,198,868.72, 1,798,261.56 and 300,318.17

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Solution

The fourth proportional to 1,198,868.72, 1,798,261.56 and 300,318.17 is: 450,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,868.72 : 1,798,261.56 = 300,318.17 : x
  2. Step 2: Convert to fraction form
    1,198,868.72/1,798,261.56 = 300,318.17/x
  3. Step 3: Cross multiply
    1,198,868.72x = 1,798,261.56 × 300,318.17
  4. Step 4: Simplify right side
    1,198,868.72x = 540,050,611,889.24
  5. Step 5: Solve for x
    x = 540,050,611,889.24/1,198,868.72
  6. Step 6: Final answer
    x = 450,466.85

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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.