Home / 1,228,910.40-1,843,365.60-629,672.40

Finding the Fourth Proportional to 1,228,910.40, 1,843,365.60 and 629,672.40

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Solution

The fourth proportional to 1,228,910.40, 1,843,365.60 and 629,672.40 is: 944,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,910.40 : 1,843,365.60 = 629,672.40 : x
  2. Step 2: Convert to fraction form
    1,228,910.40/1,843,365.60 = 629,672.40/x
  3. Step 3: Cross multiply
    1,228,910.40x = 1,843,365.60 × 629,672.40
  4. Step 4: Simplify right side
    1,228,910.40x = 1,160,716,441,429.44
  5. Step 5: Solve for x
    x = 1,160,716,441,429.44/1,228,910.40
  6. Step 6: Final answer
    x = 944,508.60

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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.