Home / 1,375,192.94-1,897,671.24-763,297.61

Finding the Fourth Proportional to 1,375,192.94, 1,897,671.24 and 763,297.61

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Solution

The fourth proportional to 1,375,192.94, 1,897,671.24 and 763,297.61 is: 1,053,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,192.94 : 1,897,671.24 = 763,297.61 : x
  2. Step 2: Convert to fraction form
    1,375,192.94/1,897,671.24 = 763,297.61/x
  3. Step 3: Cross multiply
    1,375,192.94x = 1,897,671.24 × 763,297.61
  4. Step 4: Simplify right side
    1,375,192.94x = 1,448,487,912,569.38
  5. Step 5: Solve for x
    x = 1,448,487,912,569.38/1,375,192.94
  6. Step 6: Final answer
    x = 1,053,297.96

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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.