Home / 987,140.70-1,477,758.60-587,575.80

Finding the Fourth Proportional to 987,140.70, 1,477,758.60 and 587,575.80

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Solution

The fourth proportional to 987,140.70, 1,477,758.60 and 587,575.80 is: 879,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,140.70 : 1,477,758.60 = 587,575.80 : x
  2. Step 2: Convert to fraction form
    987,140.70/1,477,758.60 = 587,575.80/x
  3. Step 3: Cross multiply
    987,140.70x = 1,477,758.60 × 587,575.80
  4. Step 4: Simplify right side
    987,140.70x = 868,295,191,601.88
  5. Step 5: Solve for x
    x = 868,295,191,601.88/987,140.70
  6. Step 6: Final answer
    x = 879,606.31

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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.