Home / 1,086,377.40-1,629,566.10-684,844.20

Finding the Fourth Proportional to 1,086,377.40, 1,629,566.10 and 684,844.20

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Solution

The fourth proportional to 1,086,377.40, 1,629,566.10 and 684,844.20 is: 1,027,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,377.40 : 1,629,566.10 = 684,844.20 : x
  2. Step 2: Convert to fraction form
    1,086,377.40/1,629,566.10 = 684,844.20/x
  3. Step 3: Cross multiply
    1,086,377.40x = 1,629,566.10 × 684,844.20
  4. Step 4: Simplify right side
    1,086,377.40x = 1,115,998,892,101.62
  5. Step 5: Solve for x
    x = 1,115,998,892,101.62/1,086,377.40
  6. Step 6: Final answer
    x = 1,027,266.30

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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.