Home / 1,335,520.28-1,842,977.94-762,448.52

Finding the Fourth Proportional to 1,335,520.28, 1,842,977.94 and 762,448.52

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Solution

The fourth proportional to 1,335,520.28, 1,842,977.94 and 762,448.52 is: 1,052,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,520.28 : 1,842,977.94 = 762,448.52 : x
  2. Step 2: Convert to fraction form
    1,335,520.28/1,842,977.94 = 762,448.52/x
  3. Step 3: Cross multiply
    1,335,520.28x = 1,842,977.94 × 762,448.52
  4. Step 4: Simplify right side
    1,335,520.28x = 1,405,175,802,745.65
  5. Step 5: Solve for x
    x = 1,405,175,802,745.65/1,335,520.28
  6. Step 6: Final answer
    x = 1,052,156.10

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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.