Home / 1,979,557.98-2,969,238.54-1,159,357.68

Finding the Fourth Proportional to 1,979,557.98, 2,969,238.54 and 1,159,357.68

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Solution

The fourth proportional to 1,979,557.98, 2,969,238.54 and 1,159,357.68 is: 1,738,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,557.98 : 2,969,238.54 = 1,159,357.68 : x
  2. Step 2: Convert to fraction form
    1,979,557.98/2,969,238.54 = 1,159,357.68/x
  3. Step 3: Cross multiply
    1,979,557.98x = 2,969,238.54 × 1,159,357.68
  4. Step 4: Simplify right side
    1,979,557.98x = 3,442,409,505,100.99
  5. Step 5: Solve for x
    x = 3,442,409,505,100.99/1,979,557.98
  6. Step 6: Final answer
    x = 1,738,978.87

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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.