Home / 1,694,227.80-2,539,008.90-1,123,987.80

Finding the Fourth Proportional to 1,694,227.80, 2,539,008.90 and 1,123,987.80

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Solution

The fourth proportional to 1,694,227.80, 2,539,008.90 and 1,123,987.80 is: 1,684,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,227.80 : 2,539,008.90 = 1,123,987.80 : x
  2. Step 2: Convert to fraction form
    1,694,227.80/2,539,008.90 = 1,123,987.80/x
  3. Step 3: Cross multiply
    1,694,227.80x = 2,539,008.90 × 1,123,987.80
  4. Step 4: Simplify right side
    1,694,227.80x = 2,853,815,027,691.42
  5. Step 5: Solve for x
    x = 2,853,815,027,691.42/1,694,227.80
  6. Step 6: Final answer
    x = 1,684,434.07

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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.