Home / 1,496,471.97-2,065,131.31-808,143.79

Finding the Fourth Proportional to 1,496,471.97, 2,065,131.31 and 808,143.79

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Solution

The fourth proportional to 1,496,471.97, 2,065,131.31 and 808,143.79 is: 1,115,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,471.97 : 2,065,131.31 = 808,143.79 : x
  2. Step 2: Convert to fraction form
    1,496,471.97/2,065,131.31 = 808,143.79/x
  3. Step 3: Cross multiply
    1,496,471.97x = 2,065,131.31 × 808,143.79
  4. Step 4: Simplify right side
    1,496,471.97x = 1,668,923,029,344.69
  5. Step 5: Solve for x
    x = 1,668,923,029,344.69/1,496,471.97
  6. Step 6: Final answer
    x = 1,115,238.42

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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.