Home / 1,279,837.28-1,766,517.04-736,032.48

Finding the Fourth Proportional to 1,279,837.28, 1,766,517.04 and 736,032.48

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Solution

The fourth proportional to 1,279,837.28, 1,766,517.04 and 736,032.48 is: 1,015,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,837.28 : 1,766,517.04 = 736,032.48 : x
  2. Step 2: Convert to fraction form
    1,279,837.28/1,766,517.04 = 736,032.48/x
  3. Step 3: Cross multiply
    1,279,837.28x = 1,766,517.04 × 736,032.48
  4. Step 4: Simplify right side
    1,279,837.28x = 1,300,213,917,913.46
  5. Step 5: Solve for x
    x = 1,300,213,917,913.46/1,279,837.28
  6. Step 6: Final answer
    x = 1,015,921.27

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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.