Home / 1,120,282.21-1,545,982.37-636,847.38

Finding the Fourth Proportional to 1,120,282.21, 1,545,982.37 and 636,847.38

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Solution

The fourth proportional to 1,120,282.21, 1,545,982.37 and 636,847.38 is: 878,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,282.21 : 1,545,982.37 = 636,847.38 : x
  2. Step 2: Convert to fraction form
    1,120,282.21/1,545,982.37 = 636,847.38/x
  3. Step 3: Cross multiply
    1,120,282.21x = 1,545,982.37 × 636,847.38
  4. Step 4: Simplify right side
    1,120,282.21x = 984,554,818,676.45
  5. Step 5: Solve for x
    x = 984,554,818,676.45/1,120,282.21
  6. Step 6: Final answer
    x = 878,845.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.