Home / 1,072,794.78-1,609,194.60-399,023.82

Finding the Fourth Proportional to 1,072,794.78, 1,609,194.60 and 399,023.82

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Solution

The fourth proportional to 1,072,794.78, 1,609,194.60 and 399,023.82 is: 598,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,794.78 : 1,609,194.60 = 399,023.82 : x
  2. Step 2: Convert to fraction form
    1,072,794.78/1,609,194.60 = 399,023.82/x
  3. Step 3: Cross multiply
    1,072,794.78x = 1,609,194.60 × 399,023.82
  4. Step 4: Simplify right side
    1,072,794.78x = 642,106,976,415.37
  5. Step 5: Solve for x
    x = 642,106,976,415.37/1,072,794.78
  6. Step 6: Final answer
    x = 598,536.63

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Double scale
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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.