Home / 1,380,132.44-1,904,449.17-1,017,751.40

Finding the Fourth Proportional to 1,380,132.44, 1,904,449.17 and 1,017,751.40

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Solution

The fourth proportional to 1,380,132.44, 1,904,449.17 and 1,017,751.40 is: 1,404,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,132.44 : 1,904,449.17 = 1,017,751.40 : x
  2. Step 2: Convert to fraction form
    1,380,132.44/1,904,449.17 = 1,017,751.40/x
  3. Step 3: Cross multiply
    1,380,132.44x = 1,904,449.17 × 1,017,751.40
  4. Step 4: Simplify right side
    1,380,132.44x = 1,938,255,799,474.09
  5. Step 5: Solve for x
    x = 1,938,255,799,474.09/1,380,132.44
  6. Step 6: Final answer
    x = 1,404,398.41

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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.