Home / 1,021,826.90-1,410,015.25-629,297.75

Finding the Fourth Proportional to 1,021,826.90, 1,410,015.25 and 629,297.75

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Solution

The fourth proportional to 1,021,826.90, 1,410,015.25 and 629,297.75 is: 868,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,826.90 : 1,410,015.25 = 629,297.75 : x
  2. Step 2: Convert to fraction form
    1,021,826.90/1,410,015.25 = 629,297.75/x
  3. Step 3: Cross multiply
    1,021,826.90x = 1,410,015.25 × 629,297.75
  4. Step 4: Simplify right side
    1,021,826.90x = 887,319,424,290.69
  5. Step 5: Solve for x
    x = 887,319,424,290.69/1,021,826.90
  6. Step 6: Final answer
    x = 868,365.69

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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.