Home / 1,256,383.76-1,879,819.92-744,323.84

Finding the Fourth Proportional to 1,256,383.76, 1,879,819.92 and 744,323.84

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Solution

The fourth proportional to 1,256,383.76, 1,879,819.92 and 744,323.84 is: 1,113,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,383.76 : 1,879,819.92 = 744,323.84 : x
  2. Step 2: Convert to fraction form
    1,256,383.76/1,879,819.92 = 744,323.84/x
  3. Step 3: Cross multiply
    1,256,383.76x = 1,879,819.92 × 744,323.84
  4. Step 4: Simplify right side
    1,256,383.76x = 1,399,194,779,013.12
  5. Step 5: Solve for x
    x = 1,399,194,779,013.12/1,256,383.76
  6. Step 6: Final answer
    x = 1,113,668.31

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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.