Home / 726,672.10-1,091,851.35-645,571.30

Finding the Fourth Proportional to 726,672.10, 1,091,851.35 and 645,571.30

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Solution

The fourth proportional to 726,672.10, 1,091,851.35 and 645,571.30 is: 969,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,672.10 : 1,091,851.35 = 645,571.30 : x
  2. Step 2: Convert to fraction form
    726,672.10/1,091,851.35 = 645,571.30/x
  3. Step 3: Cross multiply
    726,672.10x = 1,091,851.35 × 645,571.30
  4. Step 4: Simplify right side
    726,672.10x = 704,867,895,426.26
  5. Step 5: Solve for x
    x = 704,867,895,426.26/726,672.10
  6. Step 6: Final answer
    x = 969,994.44

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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.