Home / 1,375,306.44-1,897,977.86-755,136.40

Finding the Fourth Proportional to 1,375,306.44, 1,897,977.86 and 755,136.40

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Solution

The fourth proportional to 1,375,306.44, 1,897,977.86 and 755,136.40 is: 1,042,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,306.44 : 1,897,977.86 = 755,136.40 : x
  2. Step 2: Convert to fraction form
    1,375,306.44/1,897,977.86 = 755,136.40/x
  3. Step 3: Cross multiply
    1,375,306.44x = 1,897,977.86 × 755,136.40
  4. Step 4: Simplify right side
    1,375,306.44x = 1,433,232,168,480.10
  5. Step 5: Solve for x
    x = 1,433,232,168,480.10/1,375,306.44
  6. Step 6: Final answer
    x = 1,042,118.42

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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.