Home / 1,075,511.12-1,613,255.72-276,789.56

Finding the Fourth Proportional to 1,075,511.12, 1,613,255.72 and 276,789.56

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Solution

The fourth proportional to 1,075,511.12, 1,613,255.72 and 276,789.56 is: 415,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,511.12 : 1,613,255.72 = 276,789.56 : x
  2. Step 2: Convert to fraction form
    1,075,511.12/1,613,255.72 = 276,789.56/x
  3. Step 3: Cross multiply
    1,075,511.12x = 1,613,255.72 × 276,789.56
  4. Step 4: Simplify right side
    1,075,511.12x = 446,532,340,906.28
  5. Step 5: Solve for x
    x = 446,532,340,906.28/1,075,511.12
  6. Step 6: Final answer
    x = 415,181.52

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1.5x scale

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.