Home / 1,335,507.03-1,842,959.66-762,435.27

Finding the Fourth Proportional to 1,335,507.03, 1,842,959.66 and 762,435.27

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Solution

The fourth proportional to 1,335,507.03, 1,842,959.66 and 762,435.27 is: 1,052,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,507.03 : 1,842,959.66 = 762,435.27 : x
  2. Step 2: Convert to fraction form
    1,335,507.03/1,842,959.66 = 762,435.27/x
  3. Step 3: Cross multiply
    1,335,507.03x = 1,842,959.66 × 762,435.27
  4. Step 4: Simplify right side
    1,335,507.03x = 1,405,137,442,159.03
  5. Step 5: Solve for x
    x = 1,405,137,442,159.03/1,335,507.03
  6. Step 6: Final answer
    x = 1,052,137.81

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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.