Home / 920,467.20-1,379,404.80-731,251.20

Finding the Fourth Proportional to 920,467.20, 1,379,404.80 and 731,251.20

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Solution

The fourth proportional to 920,467.20, 1,379,404.80 and 731,251.20 is: 1,095,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,467.20 : 1,379,404.80 = 731,251.20 : x
  2. Step 2: Convert to fraction form
    920,467.20/1,379,404.80 = 731,251.20/x
  3. Step 3: Cross multiply
    920,467.20x = 1,379,404.80 × 731,251.20
  4. Step 4: Simplify right side
    920,467.20x = 1,008,691,415,285.76
  5. Step 5: Solve for x
    x = 1,008,691,415,285.76/920,467.20
  6. Step 6: Final answer
    x = 1,095,847.21

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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.