Home / 1,078,210.78-1,613,950.60-794,221.54

Finding the Fourth Proportional to 1,078,210.78, 1,613,950.60 and 794,221.54

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Solution

The fourth proportional to 1,078,210.78, 1,613,950.60 and 794,221.54 is: 1,188,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,210.78 : 1,613,950.60 = 794,221.54 : x
  2. Step 2: Convert to fraction form
    1,078,210.78/1,613,950.60 = 794,221.54/x
  3. Step 3: Cross multiply
    1,078,210.78x = 1,613,950.60 × 794,221.54
  4. Step 4: Simplify right side
    1,078,210.78x = 1,281,834,331,015.92
  5. Step 5: Solve for x
    x = 1,281,834,331,015.92/1,078,210.78
  6. Step 6: Final answer
    x = 1,188,853.20

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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.