Home / 987,174.70-1,477,809.60-587,609.80

Finding the Fourth Proportional to 987,174.70, 1,477,809.60 and 587,609.80

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Solution

The fourth proportional to 987,174.70, 1,477,809.60 and 587,609.80 is: 879,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,174.70 : 1,477,809.60 = 587,609.80 : x
  2. Step 2: Convert to fraction form
    987,174.70/1,477,809.60 = 587,609.80/x
  3. Step 3: Cross multiply
    987,174.70x = 1,477,809.60 × 587,609.80
  4. Step 4: Simplify right side
    987,174.70x = 868,375,403,494.08
  5. Step 5: Solve for x
    x = 868,375,403,494.08/987,174.70
  6. Step 6: Final answer
    x = 879,657.27

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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.