Home / 1,171,167.30-1,755,110.70-931,690.80

Finding the Fourth Proportional to 1,171,167.30, 1,755,110.70 and 931,690.80

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Solution

The fourth proportional to 1,171,167.30, 1,755,110.70 and 931,690.80 is: 1,396,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,167.30 : 1,755,110.70 = 931,690.80 : x
  2. Step 2: Convert to fraction form
    1,171,167.30/1,755,110.70 = 931,690.80/x
  3. Step 3: Cross multiply
    1,171,167.30x = 1,755,110.70 × 931,690.80
  4. Step 4: Simplify right side
    1,171,167.30x = 1,635,220,492,171.56
  5. Step 5: Solve for x
    x = 1,635,220,492,171.56/1,171,167.30
  6. Step 6: Final answer
    x = 1,396,231.34

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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.