Home / 1,352,242.08-2,028,787.56-813,119.04

Finding the Fourth Proportional to 1,352,242.08, 2,028,787.56 and 813,119.04

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Solution

The fourth proportional to 1,352,242.08, 2,028,787.56 and 813,119.04 is: 1,219,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,242.08 : 2,028,787.56 = 813,119.04 : x
  2. Step 2: Convert to fraction form
    1,352,242.08/2,028,787.56 = 813,119.04/x
  3. Step 3: Cross multiply
    1,352,242.08x = 2,028,787.56 × 813,119.04
  4. Step 4: Simplify right side
    1,352,242.08x = 1,649,645,793,151.14
  5. Step 5: Solve for x
    x = 1,649,645,793,151.14/1,352,242.08
  6. Step 6: Final answer
    x = 1,219,933.78

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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.