Home / 989,136.60-1,483,704.90-983,231.70

Finding the Fourth Proportional to 989,136.60, 1,483,704.90 and 983,231.70

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Solution

The fourth proportional to 989,136.60, 1,483,704.90 and 983,231.70 is: 1,474,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,136.60 : 1,483,704.90 = 983,231.70 : x
  2. Step 2: Convert to fraction form
    989,136.60/1,483,704.90 = 983,231.70/x
  3. Step 3: Cross multiply
    989,136.60x = 1,483,704.90 × 983,231.70
  4. Step 4: Simplify right side
    989,136.60x = 1,458,825,691,125.33
  5. Step 5: Solve for x
    x = 1,458,825,691,125.33/989,136.60
  6. Step 6: Final answer
    x = 1,474,847.55

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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.