Home / 1,860,997.20-2,791,495.80-664,270.80

Finding the Fourth Proportional to 1,860,997.20, 2,791,495.80 and 664,270.80

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Solution

The fourth proportional to 1,860,997.20, 2,791,495.80 and 664,270.80 is: 996,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,997.20 : 2,791,495.80 = 664,270.80 : x
  2. Step 2: Convert to fraction form
    1,860,997.20/2,791,495.80 = 664,270.80/x
  3. Step 3: Cross multiply
    1,860,997.20x = 2,791,495.80 × 664,270.80
  4. Step 4: Simplify right side
    1,860,997.20x = 1,854,309,148,262.64
  5. Step 5: Solve for x
    x = 1,854,309,148,262.64/1,860,997.20
  6. Step 6: Final answer
    x = 996,406.20

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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.