Home / 1,454,727.78-2,007,479.43-810,134.64

Finding the Fourth Proportional to 1,454,727.78, 2,007,479.43 and 810,134.64

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Solution

The fourth proportional to 1,454,727.78, 2,007,479.43 and 810,134.64 is: 1,117,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,727.78 : 2,007,479.43 = 810,134.64 : x
  2. Step 2: Convert to fraction form
    1,454,727.78/2,007,479.43 = 810,134.64/x
  3. Step 3: Cross multiply
    1,454,727.78x = 2,007,479.43 × 810,134.64
  4. Step 4: Simplify right side
    1,454,727.78x = 1,626,328,625,330.46
  5. Step 5: Solve for x
    x = 1,626,328,625,330.46/1,454,727.78
  6. Step 6: Final answer
    x = 1,117,960.79

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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.