Home / 1,208,758.68-1,808,665.74-729,264.60

Finding the Fourth Proportional to 1,208,758.68, 1,808,665.74 and 729,264.60

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Solution

The fourth proportional to 1,208,758.68, 1,808,665.74 and 729,264.60 is: 1,091,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,758.68 : 1,808,665.74 = 729,264.60 : x
  2. Step 2: Convert to fraction form
    1,208,758.68/1,808,665.74 = 729,264.60/x
  3. Step 3: Cross multiply
    1,208,758.68x = 1,808,665.74 × 729,264.60
  4. Step 4: Simplify right side
    1,208,758.68x = 1,318,995,897,414.80
  5. Step 5: Solve for x
    x = 1,318,995,897,414.80/1,208,758.68
  6. Step 6: Final answer
    x = 1,091,198.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.