Home / 1,008,136.70-1,512,205.05-984,517.10

Finding the Fourth Proportional to 1,008,136.70, 1,512,205.05 and 984,517.10

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Solution

The fourth proportional to 1,008,136.70, 1,512,205.05 and 984,517.10 is: 1,476,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,136.70 : 1,512,205.05 = 984,517.10 : x
  2. Step 2: Convert to fraction form
    1,008,136.70/1,512,205.05 = 984,517.10/x
  3. Step 3: Cross multiply
    1,008,136.70x = 1,512,205.05 × 984,517.10
  4. Step 4: Simplify right side
    1,008,136.70x = 1,488,791,730,431.36
  5. Step 5: Solve for x
    x = 1,488,791,730,431.36/1,008,136.70
  6. Step 6: Final answer
    x = 1,476,775.65

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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.