Home / 1,268,623.66-1,749,007.04-1,007,844.26

Finding the Fourth Proportional to 1,268,623.66, 1,749,007.04 and 1,007,844.26

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Solution

The fourth proportional to 1,268,623.66, 1,749,007.04 and 1,007,844.26 is: 1,389,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,623.66 : 1,749,007.04 = 1,007,844.26 : x
  2. Step 2: Convert to fraction form
    1,268,623.66/1,749,007.04 = 1,007,844.26/x
  3. Step 3: Cross multiply
    1,268,623.66x = 1,749,007.04 × 1,007,844.26
  4. Step 4: Simplify right side
    1,268,623.66x = 1,762,726,705,963.59
  5. Step 5: Solve for x
    x = 1,762,726,705,963.59/1,268,623.66
  6. Step 6: Final answer
    x = 1,389,479.61

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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.