Home / 1,322,539.28-1,983,061.92-1,209,690.08

Finding the Fourth Proportional to 1,322,539.28, 1,983,061.92 and 1,209,690.08

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Solution

The fourth proportional to 1,322,539.28, 1,983,061.92 and 1,209,690.08 is: 1,813,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,539.28 : 1,983,061.92 = 1,209,690.08 : x
  2. Step 2: Convert to fraction form
    1,322,539.28/1,983,061.92 = 1,209,690.08/x
  3. Step 3: Cross multiply
    1,322,539.28x = 1,983,061.92 × 1,209,690.08
  4. Step 4: Simplify right side
    1,322,539.28x = 2,398,890,332,649.75
  5. Step 5: Solve for x
    x = 2,398,890,332,649.75/1,322,539.28
  6. Step 6: Final answer
    x = 1,813,851.86

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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.