Home / 1,427,797.38-1,970,087.43-816,143.94

Finding the Fourth Proportional to 1,427,797.38, 1,970,087.43 and 816,143.94

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Solution

The fourth proportional to 1,427,797.38, 1,970,087.43 and 816,143.94 is: 1,126,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,797.38 : 1,970,087.43 = 816,143.94 : x
  2. Step 2: Convert to fraction form
    1,427,797.38/1,970,087.43 = 816,143.94/x
  3. Step 3: Cross multiply
    1,427,797.38x = 1,970,087.43 × 816,143.94
  4. Step 4: Simplify right side
    1,427,797.38x = 1,607,874,917,264.67
  5. Step 5: Solve for x
    x = 1,607,874,917,264.67/1,427,797.38
  6. Step 6: Final answer
    x = 1,126,122.61

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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.