Home / 1,313,724.52-1,812,785.82-740,730.52

Finding the Fourth Proportional to 1,313,724.52, 1,812,785.82 and 740,730.52

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Solution

The fourth proportional to 1,313,724.52, 1,812,785.82 and 740,730.52 is: 1,022,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,724.52 : 1,812,785.82 = 740,730.52 : x
  2. Step 2: Convert to fraction form
    1,313,724.52/1,812,785.82 = 740,730.52/x
  3. Step 3: Cross multiply
    1,313,724.52x = 1,812,785.82 × 740,730.52
  4. Step 4: Simplify right side
    1,313,724.52x = 1,342,785,783,097.23
  5. Step 5: Solve for x
    x = 1,342,785,783,097.23/1,313,724.52
  6. Step 6: Final answer
    x = 1,022,121.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.