Home / 1,781,749-2,672,571.66-659,793.16

Finding the Fourth Proportional to 1,781,749, 2,672,571.66 and 659,793.16

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Solution

The fourth proportional to 1,781,749, 2,672,571.66 and 659,793.16 is: 989,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,749 : 2,672,571.66 = 659,793.16 : x
  2. Step 2: Convert to fraction form
    1,781,749/2,672,571.66 = 659,793.16/x
  3. Step 3: Cross multiply
    1,781,749x = 2,672,571.66 × 659,793.16
  4. Step 4: Simplify right side
    1,781,749x = 1,763,344,500,877.85
  5. Step 5: Solve for x
    x = 1,763,344,500,877.85/1,781,749
  6. Step 6: Final answer
    x = 989,670.54

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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.