Home / 1,179,380.80-1,766,446.80-969,428.80

Finding the Fourth Proportional to 1,179,380.80, 1,766,446.80 and 969,428.80

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Solution

The fourth proportional to 1,179,380.80, 1,766,446.80 and 969,428.80 is: 1,451,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,380.80 : 1,766,446.80 = 969,428.80 : x
  2. Step 2: Convert to fraction form
    1,179,380.80/1,766,446.80 = 969,428.80/x
  3. Step 3: Cross multiply
    1,179,380.80x = 1,766,446.80 × 969,428.80
  4. Step 4: Simplify right side
    1,179,380.80x = 1,712,444,401,587.84
  5. Step 5: Solve for x
    x = 1,712,444,401,587.84/1,179,380.80
  6. Step 6: Final answer
    x = 1,451,985.99

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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.