Home / 1,375,305.44-1,897,976.48-755,135.40

Finding the Fourth Proportional to 1,375,305.44, 1,897,976.48 and 755,135.40

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Solution

The fourth proportional to 1,375,305.44, 1,897,976.48 and 755,135.40 is: 1,042,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,305.44 : 1,897,976.48 = 755,135.40 : x
  2. Step 2: Convert to fraction form
    1,375,305.44/1,897,976.48 = 755,135.40/x
  3. Step 3: Cross multiply
    1,375,305.44x = 1,897,976.48 × 755,135.40
  4. Step 4: Simplify right side
    1,375,305.44x = 1,433,229,228,415.39
  5. Step 5: Solve for x
    x = 1,433,229,228,415.39/1,375,305.44
  6. Step 6: Final answer
    x = 1,042,117.04

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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.