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Finding the Fourth Proportional to 1,447,108, 1,997,009.04 and 802,626.88

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Solution

The fourth proportional to 1,447,108, 1,997,009.04 and 802,626.88 is: 1,107,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,108 : 1,997,009.04 = 802,626.88 : x
  2. Step 2: Convert to fraction form
    1,447,108/1,997,009.04 = 802,626.88/x
  3. Step 3: Cross multiply
    1,447,108x = 1,997,009.04 × 802,626.88
  4. Step 4: Simplify right side
    1,447,108x = 1,602,853,135,107.00
  5. Step 5: Solve for x
    x = 1,602,853,135,107.00/1,447,108
  6. Step 6: Final answer
    x = 1,107,625.09

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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.