Home / 1,037,879.89-1,556,764.45-279,709.19

Finding the Fourth Proportional to 1,037,879.89, 1,556,764.45 and 279,709.19

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Solution

The fourth proportional to 1,037,879.89, 1,556,764.45 and 279,709.19 is: 419,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,879.89 : 1,556,764.45 = 279,709.19 : x
  2. Step 2: Convert to fraction form
    1,037,879.89/1,556,764.45 = 279,709.19/x
  3. Step 3: Cross multiply
    1,037,879.89x = 1,556,764.45 × 279,709.19
  4. Step 4: Simplify right side
    1,037,879.89x = 435,441,320,685.07
  5. Step 5: Solve for x
    x = 435,441,320,685.07/1,037,879.89
  6. Step 6: Final answer
    x = 419,548.86

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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.