Home / 1,380,107.50-1,904,414.79-1,017,726.46

Finding the Fourth Proportional to 1,380,107.50, 1,904,414.79 and 1,017,726.46

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Solution

The fourth proportional to 1,380,107.50, 1,904,414.79 and 1,017,726.46 is: 1,404,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,107.50 : 1,904,414.79 = 1,017,726.46 : x
  2. Step 2: Convert to fraction form
    1,380,107.50/1,904,414.79 = 1,017,726.46/x
  3. Step 3: Cross multiply
    1,380,107.50x = 1,904,414.79 × 1,017,726.46
  4. Step 4: Simplify right side
    1,380,107.50x = 1,938,173,321,653.78
  5. Step 5: Solve for x
    x = 1,938,173,321,653.78/1,380,107.50
  6. Step 6: Final answer
    x = 1,404,364.03

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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.