Home / 1,245,042.92-1,718,113.87-693,730.14

Finding the Fourth Proportional to 1,245,042.92, 1,718,113.87 and 693,730.14

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Solution

The fourth proportional to 1,245,042.92, 1,718,113.87 and 693,730.14 is: 957,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,042.92 : 1,718,113.87 = 693,730.14 : x
  2. Step 2: Convert to fraction form
    1,245,042.92/1,718,113.87 = 693,730.14/x
  3. Step 3: Cross multiply
    1,245,042.92x = 1,718,113.87 × 693,730.14
  4. Step 4: Simplify right side
    1,245,042.92x = 1,191,907,375,571.04
  5. Step 5: Solve for x
    x = 1,191,907,375,571.04/1,245,042.92
  6. Step 6: Final answer
    x = 957,322.32

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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.