Home / 1,181,531.49-1,629,856.89-774,290.22

Finding the Fourth Proportional to 1,181,531.49, 1,629,856.89 and 774,290.22

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Solution

The fourth proportional to 1,181,531.49, 1,629,856.89 and 774,290.22 is: 1,068,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,531.49 : 1,629,856.89 = 774,290.22 : x
  2. Step 2: Convert to fraction form
    1,181,531.49/1,629,856.89 = 774,290.22/x
  3. Step 3: Cross multiply
    1,181,531.49x = 1,629,856.89 × 774,290.22
  4. Step 4: Simplify right side
    1,181,531.49x = 1,261,982,249,926.62
  5. Step 5: Solve for x
    x = 1,261,982,249,926.62/1,181,531.49
  6. Step 6: Final answer
    x = 1,068,090.24

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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.