Home / 1,269,118.20-1,902,415.86-636,099.96

Finding the Fourth Proportional to 1,269,118.20, 1,902,415.86 and 636,099.96

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Solution

The fourth proportional to 1,269,118.20, 1,902,415.86 and 636,099.96 is: 953,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,118.20 : 1,902,415.86 = 636,099.96 : x
  2. Step 2: Convert to fraction form
    1,269,118.20/1,902,415.86 = 636,099.96/x
  3. Step 3: Cross multiply
    1,269,118.20x = 1,902,415.86 × 636,099.96
  4. Step 4: Simplify right side
    1,269,118.20x = 1,210,126,652,449.37
  5. Step 5: Solve for x
    x = 1,210,126,652,449.37/1,269,118.20
  6. Step 6: Final answer
    x = 953,517.69

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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.