Home / 1,542,664.76-2,313,111.12-822,119.36

Finding the Fourth Proportional to 1,542,664.76, 2,313,111.12 and 822,119.36

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Solution

The fourth proportional to 1,542,664.76, 2,313,111.12 and 822,119.36 is: 1,232,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,664.76 : 2,313,111.12 = 822,119.36 : x
  2. Step 2: Convert to fraction form
    1,542,664.76/2,313,111.12 = 822,119.36/x
  3. Step 3: Cross multiply
    1,542,664.76x = 2,313,111.12 × 822,119.36
  4. Step 4: Simplify right side
    1,542,664.76x = 1,901,653,433,583.28
  5. Step 5: Solve for x
    x = 1,901,653,433,583.28/1,542,664.76
  6. Step 6: Final answer
    x = 1,232,706.86

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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.