Home / 1,856,759.40-2,782,514.70-1,144,672.20

Finding the Fourth Proportional to 1,856,759.40, 2,782,514.70 and 1,144,672.20

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Solution

The fourth proportional to 1,856,759.40, 2,782,514.70 and 1,144,672.20 is: 1,715,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,759.40 : 2,782,514.70 = 1,144,672.20 : x
  2. Step 2: Convert to fraction form
    1,856,759.40/2,782,514.70 = 1,144,672.20/x
  3. Step 3: Cross multiply
    1,856,759.40x = 2,782,514.70 × 1,144,672.20
  4. Step 4: Simplify right side
    1,856,759.40x = 3,185,067,223,181.34
  5. Step 5: Solve for x
    x = 3,185,067,223,181.34/1,856,759.40
  6. Step 6: Final answer
    x = 1,715,390.39

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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.