Home / 1,375,232.64-1,897,791.04-763,349.44

Finding the Fourth Proportional to 1,375,232.64, 1,897,791.04 and 763,349.44

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Solution

The fourth proportional to 1,375,232.64, 1,897,791.04 and 763,349.44 is: 1,053,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,232.64 : 1,897,791.04 = 763,349.44 : x
  2. Step 2: Convert to fraction form
    1,375,232.64/1,897,791.04 = 763,349.44/x
  3. Step 3: Cross multiply
    1,375,232.64x = 1,897,791.04 × 763,349.44
  4. Step 4: Simplify right side
    1,375,232.64x = 1,448,677,727,621.02
  5. Step 5: Solve for x
    x = 1,448,677,727,621.02/1,375,232.64
  6. Step 6: Final answer
    x = 1,053,405.57

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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.