Home / 1,505,825.92-2,078,043.84-826,806.40

Finding the Fourth Proportional to 1,505,825.92, 2,078,043.84 and 826,806.40

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Solution

The fourth proportional to 1,505,825.92, 2,078,043.84 and 826,806.40 is: 1,140,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,825.92 : 2,078,043.84 = 826,806.40 : x
  2. Step 2: Convert to fraction form
    1,505,825.92/2,078,043.84 = 826,806.40/x
  3. Step 3: Cross multiply
    1,505,825.92x = 2,078,043.84 × 826,806.40
  4. Step 4: Simplify right side
    1,505,825.92x = 1,718,139,946,392.58
  5. Step 5: Solve for x
    x = 1,718,139,946,392.58/1,505,825.92
  6. Step 6: Final answer
    x = 1,140,995.07

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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.