Home / 1,171,373.20-1,755,054.54-639,268.00

Finding the Fourth Proportional to 1,171,373.20, 1,755,054.54 and 639,268.00

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Solution

The fourth proportional to 1,171,373.20, 1,755,054.54 and 639,268.00 is: 957,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,373.20 : 1,755,054.54 = 639,268.00 : x
  2. Step 2: Convert to fraction form
    1,171,373.20/1,755,054.54 = 639,268.00/x
  3. Step 3: Cross multiply
    1,171,373.20x = 1,755,054.54 × 639,268.00
  4. Step 4: Simplify right side
    1,171,373.20x = 1,121,950,201,289.08
  5. Step 5: Solve for x
    x = 1,121,950,201,289.08/1,171,373.20
  6. Step 6: Final answer
    x = 957,807.64

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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.