Home / 1,277,319.06-1,916,376.27-378,765.54

Finding the Fourth Proportional to 1,277,319.06, 1,916,376.27 and 378,765.54

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Solution

The fourth proportional to 1,277,319.06, 1,916,376.27 and 378,765.54 is: 568,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,319.06 : 1,916,376.27 = 378,765.54 : x
  2. Step 2: Convert to fraction form
    1,277,319.06/1,916,376.27 = 378,765.54/x
  3. Step 3: Cross multiply
    1,277,319.06x = 1,916,376.27 × 378,765.54
  4. Step 4: Simplify right side
    1,277,319.06x = 725,857,292,749.74
  5. Step 5: Solve for x
    x = 725,857,292,749.74/1,277,319.06
  6. Step 6: Final answer
    x = 568,266.23

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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.