Home / 1,099,439.88-1,649,136.46-300,721.48

Finding the Fourth Proportional to 1,099,439.88, 1,649,136.46 and 300,721.48

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Solution

The fourth proportional to 1,099,439.88, 1,649,136.46 and 300,721.48 is: 451,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,439.88 : 1,649,136.46 = 300,721.48 : x
  2. Step 2: Convert to fraction form
    1,099,439.88/1,649,136.46 = 300,721.48/x
  3. Step 3: Cross multiply
    1,099,439.88x = 1,649,136.46 × 300,721.48
  4. Step 4: Simplify right side
    1,099,439.88x = 495,930,756,973.16
  5. Step 5: Solve for x
    x = 495,930,756,973.16/1,099,439.88
  6. Step 6: Final answer
    x = 451,075.83

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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.