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Finding the Fourth Proportional to 1,371,337.97, 1,890,687.89 and 1,064,894.45

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Solution

The fourth proportional to 1,371,337.97, 1,890,687.89 and 1,064,894.45 is: 1,468,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,337.97 : 1,890,687.89 = 1,064,894.45 : x
  2. Step 2: Convert to fraction form
    1,371,337.97/1,890,687.89 = 1,064,894.45/x
  3. Step 3: Cross multiply
    1,371,337.97x = 1,890,687.89 × 1,064,894.45
  4. Step 4: Simplify right side
    1,371,337.97x = 2,013,383,033,952.01
  5. Step 5: Solve for x
    x = 2,013,383,033,952.01/1,371,337.97
  6. Step 6: Final answer
    x = 1,468,188.79

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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.