Home / 1,372,279.43-2,057,585.65-613,979.71

Finding the Fourth Proportional to 1,372,279.43, 2,057,585.65 and 613,979.71

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Solution

The fourth proportional to 1,372,279.43, 2,057,585.65 and 613,979.71 is: 920,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,279.43 : 2,057,585.65 = 613,979.71 : x
  2. Step 2: Convert to fraction form
    1,372,279.43/2,057,585.65 = 613,979.71/x
  3. Step 3: Cross multiply
    1,372,279.43x = 2,057,585.65 × 613,979.71
  4. Step 4: Simplify right side
    1,372,279.43x = 1,263,315,840,687.16
  5. Step 5: Solve for x
    x = 1,263,315,840,687.16/1,372,279.43
  6. Step 6: Final answer
    x = 920,596.65

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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.