Home / 1,021,824.90-1,410,012.50-629,295.75

Finding the Fourth Proportional to 1,021,824.90, 1,410,012.50 and 629,295.75

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Solution

The fourth proportional to 1,021,824.90, 1,410,012.50 and 629,295.75 is: 868,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,824.90 : 1,410,012.50 = 629,295.75 : x
  2. Step 2: Convert to fraction form
    1,021,824.90/1,410,012.50 = 629,295.75/x
  3. Step 3: Cross multiply
    1,021,824.90x = 1,410,012.50 × 629,295.75
  4. Step 4: Simplify right side
    1,021,824.90x = 887,314,870,550.40
  5. Step 5: Solve for x
    x = 887,314,870,550.40/1,021,824.90
  6. Step 6: Final answer
    x = 868,362.94

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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.