Home / 1,409,672.36-1,945,362.02-765,098.28

Finding the Fourth Proportional to 1,409,672.36, 1,945,362.02 and 765,098.28

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Solution

The fourth proportional to 1,409,672.36, 1,945,362.02 and 765,098.28 is: 1,055,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,672.36 : 1,945,362.02 = 765,098.28 : x
  2. Step 2: Convert to fraction form
    1,409,672.36/1,945,362.02 = 765,098.28/x
  3. Step 3: Cross multiply
    1,409,672.36x = 1,945,362.02 × 765,098.28
  4. Step 4: Simplify right side
    1,409,672.36x = 1,488,393,135,479.33
  5. Step 5: Solve for x
    x = 1,488,393,135,479.33/1,409,672.36
  6. Step 6: Final answer
    x = 1,055,843.31

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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.