Home / 1,321,851.45-1,823,993.73-740,940.51

Finding the Fourth Proportional to 1,321,851.45, 1,823,993.73 and 740,940.51

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Solution

The fourth proportional to 1,321,851.45, 1,823,993.73 and 740,940.51 is: 1,022,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,851.45 : 1,823,993.73 = 740,940.51 : x
  2. Step 2: Convert to fraction form
    1,321,851.45/1,823,993.73 = 740,940.51/x
  3. Step 3: Cross multiply
    1,321,851.45x = 1,823,993.73 × 740,940.51
  4. Step 4: Simplify right side
    1,321,851.45x = 1,351,470,844,543.00
  5. Step 5: Solve for x
    x = 1,351,470,844,543.00/1,321,851.45
  6. Step 6: Final answer
    x = 1,022,407.51

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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.