Home / 1,171,499.04-1,755,242.58-639,393.44

Finding the Fourth Proportional to 1,171,499.04, 1,755,242.58 and 639,393.44

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Solution

The fourth proportional to 1,171,499.04, 1,755,242.58 and 639,393.44 is: 957,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,499.04 : 1,755,242.58 = 639,393.44 : x
  2. Step 2: Convert to fraction form
    1,171,499.04/1,755,242.58 = 639,393.44/x
  3. Step 3: Cross multiply
    1,171,499.04x = 1,755,242.58 × 639,393.44
  4. Step 4: Simplify right side
    1,171,499.04x = 1,122,290,582,484.46
  5. Step 5: Solve for x
    x = 1,122,290,582,484.46/1,171,499.04
  6. Step 6: Final answer
    x = 957,995.31

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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.