Home / 987,176.70-1,477,812.60-587,611.80

Finding the Fourth Proportional to 987,176.70, 1,477,812.60 and 587,611.80

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Solution

The fourth proportional to 987,176.70, 1,477,812.60 and 587,611.80 is: 879,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,176.70 : 1,477,812.60 = 587,611.80 : x
  2. Step 2: Convert to fraction form
    987,176.70/1,477,812.60 = 587,611.80/x
  3. Step 3: Cross multiply
    987,176.70x = 1,477,812.60 × 587,611.80
  4. Step 4: Simplify right side
    987,176.70x = 868,380,121,948.68
  5. Step 5: Solve for x
    x = 868,380,121,948.68/987,176.70
  6. Step 6: Final answer
    x = 879,660.27

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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.