Home / 1,322,119.08-1,983,179.28-872,734.92

Finding the Fourth Proportional to 1,322,119.08, 1,983,179.28 and 872,734.92

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Solution

The fourth proportional to 1,322,119.08, 1,983,179.28 and 872,734.92 is: 1,309,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,119.08 : 1,983,179.28 = 872,734.92 : x
  2. Step 2: Convert to fraction form
    1,322,119.08/1,983,179.28 = 872,734.92/x
  3. Step 3: Cross multiply
    1,322,119.08x = 1,983,179.28 × 872,734.92
  4. Step 4: Simplify right side
    1,322,119.08x = 1,730,789,810,276.46
  5. Step 5: Solve for x
    x = 1,730,789,810,276.46/1,322,119.08
  6. Step 6: Final answer
    x = 1,309,102.82

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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.