Home / 1,190,662.92-1,643,133.42-646,809.48

Finding the Fourth Proportional to 1,190,662.92, 1,643,133.42 and 646,809.48

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Solution

The fourth proportional to 1,190,662.92, 1,643,133.42 and 646,809.48 is: 892,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,662.92 : 1,643,133.42 = 646,809.48 : x
  2. Step 2: Convert to fraction form
    1,190,662.92/1,643,133.42 = 646,809.48/x
  3. Step 3: Cross multiply
    1,190,662.92x = 1,643,133.42 × 646,809.48
  4. Step 4: Simplify right side
    1,190,662.92x = 1,062,794,272,960.82
  5. Step 5: Solve for x
    x = 1,062,794,272,960.82/1,190,662.92
  6. Step 6: Final answer
    x = 892,607.18

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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.