Home / 1,095,845.31-1,512,272.10-612,418.53

Finding the Fourth Proportional to 1,095,845.31, 1,512,272.10 and 612,418.53

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Solution

The fourth proportional to 1,095,845.31, 1,512,272.10 and 612,418.53 is: 845,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,845.31 : 1,512,272.10 = 612,418.53 : x
  2. Step 2: Convert to fraction form
    1,095,845.31/1,512,272.10 = 612,418.53/x
  3. Step 3: Cross multiply
    1,095,845.31x = 1,512,272.10 × 612,418.53
  4. Step 4: Simplify right side
    1,095,845.31x = 926,143,456,442.01
  5. Step 5: Solve for x
    x = 926,143,456,442.01/1,095,845.31
  6. Step 6: Final answer
    x = 845,140.69

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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.