Home / 1,438,431.54-1,984,977.49-793,843.36

Finding the Fourth Proportional to 1,438,431.54, 1,984,977.49 and 793,843.36

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Solution

The fourth proportional to 1,438,431.54, 1,984,977.49 and 793,843.36 is: 1,095,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,431.54 : 1,984,977.49 = 793,843.36 : x
  2. Step 2: Convert to fraction form
    1,438,431.54/1,984,977.49 = 793,843.36/x
  3. Step 3: Cross multiply
    1,438,431.54x = 1,984,977.49 × 793,843.36
  4. Step 4: Simplify right side
    1,438,431.54x = 1,575,761,200,185.97
  5. Step 5: Solve for x
    x = 1,575,761,200,185.97/1,438,431.54
  6. Step 6: Final answer
    x = 1,095,471.81

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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.