Home / 1,187,623.11-1,781,434.13-1,027,222.26

Finding the Fourth Proportional to 1,187,623.11, 1,781,434.13 and 1,027,222.26

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Solution

The fourth proportional to 1,187,623.11, 1,781,434.13 and 1,027,222.26 is: 1,540,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,623.11 : 1,781,434.13 = 1,027,222.26 : x
  2. Step 2: Convert to fraction form
    1,187,623.11/1,781,434.13 = 1,027,222.26/x
  3. Step 3: Cross multiply
    1,187,623.11x = 1,781,434.13 × 1,027,222.26
  4. Step 4: Simplify right side
    1,187,623.11x = 1,829,928,787,923.62
  5. Step 5: Solve for x
    x = 1,829,928,787,923.62/1,187,623.11
  6. Step 6: Final answer
    x = 1,540,832.92

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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.