Home / 1,505,834.92-2,078,056.26-826,815.40

Finding the Fourth Proportional to 1,505,834.92, 2,078,056.26 and 826,815.40

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Solution

The fourth proportional to 1,505,834.92, 2,078,056.26 and 826,815.40 is: 1,141,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,834.92 : 2,078,056.26 = 826,815.40 : x
  2. Step 2: Convert to fraction form
    1,505,834.92/2,078,056.26 = 826,815.40/x
  3. Step 3: Cross multiply
    1,505,834.92x = 2,078,056.26 × 826,815.40
  4. Step 4: Simplify right side
    1,505,834.92x = 1,718,168,917,834.40
  5. Step 5: Solve for x
    x = 1,718,168,917,834.40/1,505,834.92
  6. Step 6: Final answer
    x = 1,141,007.49

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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.