Home / 1,309,991.36-1,964,986.92-363,362.12

Finding the Fourth Proportional to 1,309,991.36, 1,964,986.92 and 363,362.12

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Solution

The fourth proportional to 1,309,991.36, 1,964,986.92 and 363,362.12 is: 545,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,991.36 : 1,964,986.92 = 363,362.12 : x
  2. Step 2: Convert to fraction form
    1,309,991.36/1,964,986.92 = 363,362.12/x
  3. Step 3: Cross multiply
    1,309,991.36x = 1,964,986.92 × 363,362.12
  4. Step 4: Simplify right side
    1,309,991.36x = 714,001,813,023.47
  5. Step 5: Solve for x
    x = 714,001,813,023.47/1,309,991.36
  6. Step 6: Final answer
    x = 545,043.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.