Home / 1,215,434.16-1,822,164.66-505,993.23

Finding the Fourth Proportional to 1,215,434.16, 1,822,164.66 and 505,993.23

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Solution

The fourth proportional to 1,215,434.16, 1,822,164.66 and 505,993.23 is: 758,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,434.16 : 1,822,164.66 = 505,993.23 : x
  2. Step 2: Convert to fraction form
    1,215,434.16/1,822,164.66 = 505,993.23/x
  3. Step 3: Cross multiply
    1,215,434.16x = 1,822,164.66 × 505,993.23
  4. Step 4: Simplify right side
    1,215,434.16x = 922,002,981,905.25
  5. Step 5: Solve for x
    x = 922,002,981,905.25/1,215,434.16
  6. Step 6: Final answer
    x = 758,579.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.