Home / 1,268,634.40-1,750,796.40-838,159.36

Finding the Fourth Proportional to 1,268,634.40, 1,750,796.40 and 838,159.36

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Solution

The fourth proportional to 1,268,634.40, 1,750,796.40 and 838,159.36 is: 1,156,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,634.40 : 1,750,796.40 = 838,159.36 : x
  2. Step 2: Convert to fraction form
    1,268,634.40/1,750,796.40 = 838,159.36/x
  3. Step 3: Cross multiply
    1,268,634.40x = 1,750,796.40 × 838,159.36
  4. Step 4: Simplify right side
    1,268,634.40x = 1,467,446,390,114.30
  5. Step 5: Solve for x
    x = 1,467,446,390,114.30/1,268,634.40
  6. Step 6: Final answer
    x = 1,156,713.38

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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.