Home / 1,175,867.08-1,622,694.42-639,321.80

Finding the Fourth Proportional to 1,175,867.08, 1,622,694.42 and 639,321.80

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Solution

The fourth proportional to 1,175,867.08, 1,622,694.42 and 639,321.80 is: 882,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,867.08 : 1,622,694.42 = 639,321.80 : x
  2. Step 2: Convert to fraction form
    1,175,867.08/1,622,694.42 = 639,321.80/x
  3. Step 3: Cross multiply
    1,175,867.08x = 1,622,694.42 × 639,321.80
  4. Step 4: Simplify right side
    1,175,867.08x = 1,037,423,917,444.36
  5. Step 5: Solve for x
    x = 1,037,423,917,444.36/1,175,867.08
  6. Step 6: Final answer
    x = 882,262.91

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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.