Home / 1,021,827.90-1,410,016.63-629,298.75

Finding the Fourth Proportional to 1,021,827.90, 1,410,016.63 and 629,298.75

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Solution

The fourth proportional to 1,021,827.90, 1,410,016.63 and 629,298.75 is: 868,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,827.90 : 1,410,016.63 = 629,298.75 : x
  2. Step 2: Convert to fraction form
    1,021,827.90/1,410,016.63 = 629,298.75/x
  3. Step 3: Cross multiply
    1,021,827.90x = 1,410,016.63 × 629,298.75
  4. Step 4: Simplify right side
    1,021,827.90x = 887,321,702,738.21
  5. Step 5: Solve for x
    x = 887,321,702,738.21/1,021,827.90
  6. Step 6: Final answer
    x = 868,367.07

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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.