Home / 1,021,825.90-1,410,013.87-629,296.75

Finding the Fourth Proportional to 1,021,825.90, 1,410,013.87 and 629,296.75

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Solution

The fourth proportional to 1,021,825.90, 1,410,013.87 and 629,296.75 is: 868,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,825.90 : 1,410,013.87 = 629,296.75 : x
  2. Step 2: Convert to fraction form
    1,021,825.90/1,410,013.87 = 629,296.75/x
  3. Step 3: Cross multiply
    1,021,825.90x = 1,410,013.87 × 629,296.75
  4. Step 4: Simplify right side
    1,021,825.90x = 887,317,145,845.92
  5. Step 5: Solve for x
    x = 887,317,145,845.92/1,021,825.90
  6. Step 6: Final answer
    x = 868,364.31

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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.