Home / 1,461,122.82-2,015,044.07-917,309.30

Finding the Fourth Proportional to 1,461,122.82, 2,015,044.07 and 917,309.30

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Solution

The fourth proportional to 1,461,122.82, 2,015,044.07 and 917,309.30 is: 1,265,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,122.82 : 2,015,044.07 = 917,309.30 : x
  2. Step 2: Convert to fraction form
    1,461,122.82/2,015,044.07 = 917,309.30/x
  3. Step 3: Cross multiply
    1,461,122.82x = 2,015,044.07 × 917,309.30
  4. Step 4: Simplify right side
    1,461,122.82x = 1,848,418,650,659.08
  5. Step 5: Solve for x
    x = 1,848,418,650,659.08/1,461,122.82
  6. Step 6: Final answer
    x = 1,265,067.27

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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.