Home / 1,375,208.64-1,897,757.92-763,325.44

Finding the Fourth Proportional to 1,375,208.64, 1,897,757.92 and 763,325.44

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Solution

The fourth proportional to 1,375,208.64, 1,897,757.92 and 763,325.44 is: 1,053,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,208.64 : 1,897,757.92 = 763,325.44 : x
  2. Step 2: Convert to fraction form
    1,375,208.64/1,897,757.92 = 763,325.44/x
  3. Step 3: Cross multiply
    1,375,208.64x = 1,897,757.92 × 763,325.44
  4. Step 4: Simplify right side
    1,375,208.64x = 1,448,606,899,297.48
  5. Step 5: Solve for x
    x = 1,448,606,899,297.48/1,375,208.64
  6. Step 6: Final answer
    x = 1,053,372.45

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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.