Home / 920,469.60-1,380,704.40-852,040.80

Finding the Fourth Proportional to 920,469.60, 1,380,704.40 and 852,040.80

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Solution

The fourth proportional to 920,469.60, 1,380,704.40 and 852,040.80 is: 1,278,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,469.60 : 1,380,704.40 = 852,040.80 : x
  2. Step 2: Convert to fraction form
    920,469.60/1,380,704.40 = 852,040.80/x
  3. Step 3: Cross multiply
    920,469.60x = 1,380,704.40 × 852,040.80
  4. Step 4: Simplify right side
    920,469.60x = 1,176,416,481,539.52
  5. Step 5: Solve for x
    x = 1,176,416,481,539.52/920,469.60
  6. Step 6: Final answer
    x = 1,278,061.20

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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.