Home / 1,369,268.72-2,053,877.56-409,724.90

Finding the Fourth Proportional to 1,369,268.72, 2,053,877.56 and 409,724.90

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Solution

The fourth proportional to 1,369,268.72, 2,053,877.56 and 409,724.90 is: 614,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,268.72 : 2,053,877.56 = 409,724.90 : x
  2. Step 2: Convert to fraction form
    1,369,268.72/2,053,877.56 = 409,724.90/x
  3. Step 3: Cross multiply
    1,369,268.72x = 2,053,877.56 × 409,724.90
  4. Step 4: Simplify right side
    1,369,268.72x = 841,524,766,589.54
  5. Step 5: Solve for x
    x = 841,524,766,589.54/1,369,268.72
  6. Step 6: Final answer
    x = 614,579.71

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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.