Home / 1,335,359.72-1,843,435.06-762,289.18

Finding the Fourth Proportional to 1,335,359.72, 1,843,435.06 and 762,289.18

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Solution

The fourth proportional to 1,335,359.72, 1,843,435.06 and 762,289.18 is: 1,052,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,359.72 : 1,843,435.06 = 762,289.18 : x
  2. Step 2: Convert to fraction form
    1,335,359.72/1,843,435.06 = 762,289.18/x
  3. Step 3: Cross multiply
    1,335,359.72x = 1,843,435.06 × 762,289.18
  4. Step 4: Simplify right side
    1,335,359.72x = 1,405,230,593,756.34
  5. Step 5: Solve for x
    x = 1,405,230,593,756.34/1,335,359.72
  6. Step 6: Final answer
    x = 1,052,323.63

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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.