Home / 1,006,015.16-1,387,351.91-661,241.90

Finding the Fourth Proportional to 1,006,015.16, 1,387,351.91 and 661,241.90

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Solution

The fourth proportional to 1,006,015.16, 1,387,351.91 and 661,241.90 is: 911,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,015.16 : 1,387,351.91 = 661,241.90 : x
  2. Step 2: Convert to fraction form
    1,006,015.16/1,387,351.91 = 661,241.90/x
  3. Step 3: Cross multiply
    1,006,015.16x = 1,387,351.91 × 661,241.90
  4. Step 4: Simplify right side
    1,006,015.16x = 917,375,202,694.06
  5. Step 5: Solve for x
    x = 917,375,202,694.06/1,006,015.16
  6. Step 6: Final answer
    x = 911,890.04

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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.