Home / 1,335,939.04-1,843,399.04-812,382.56

Finding the Fourth Proportional to 1,335,939.04, 1,843,399.04 and 812,382.56

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Solution

The fourth proportional to 1,335,939.04, 1,843,399.04 and 812,382.56 is: 1,120,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,939.04 : 1,843,399.04 = 812,382.56 : x
  2. Step 2: Convert to fraction form
    1,335,939.04/1,843,399.04 = 812,382.56/x
  3. Step 3: Cross multiply
    1,335,939.04x = 1,843,399.04 × 812,382.56
  4. Step 4: Simplify right side
    1,335,939.04x = 1,497,545,231,216.74
  5. Step 5: Solve for x
    x = 1,497,545,231,216.74/1,335,939.04
  6. Step 6: Final answer
    x = 1,120,968.24

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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.