Home / 1,687,724.52-2,531,264.20-505,772.52

Finding the Fourth Proportional to 1,687,724.52, 2,531,264.20 and 505,772.52

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Solution

The fourth proportional to 1,687,724.52, 2,531,264.20 and 505,772.52 is: 758,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,724.52 : 2,531,264.20 = 505,772.52 : x
  2. Step 2: Convert to fraction form
    1,687,724.52/2,531,264.20 = 505,772.52/x
  3. Step 3: Cross multiply
    1,687,724.52x = 2,531,264.20 × 505,772.52
  4. Step 4: Simplify right side
    1,687,724.52x = 1,280,243,873,219.78
  5. Step 5: Solve for x
    x = 1,280,243,873,219.78/1,687,724.52
  6. Step 6: Final answer
    x = 758,562.11

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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.