Home / 1,138,175.73-1,571,414.72-730,453.32

Finding the Fourth Proportional to 1,138,175.73, 1,571,414.72 and 730,453.32

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Solution

The fourth proportional to 1,138,175.73, 1,571,414.72 and 730,453.32 is: 1,008,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,175.73 : 1,571,414.72 = 730,453.32 : x
  2. Step 2: Convert to fraction form
    1,138,175.73/1,571,414.72 = 730,453.32/x
  3. Step 3: Cross multiply
    1,138,175.73x = 1,571,414.72 × 730,453.32
  4. Step 4: Simplify right side
    1,138,175.73x = 1,147,845,095,668.60
  5. Step 5: Solve for x
    x = 1,147,845,095,668.60/1,138,175.73
  6. Step 6: Final answer
    x = 1,008,495.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.