Home / 1,979,126.76-2,731,200.20-1,073,708.76

Finding the Fourth Proportional to 1,979,126.76, 2,731,200.20 and 1,073,708.76

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Solution

The fourth proportional to 1,979,126.76, 2,731,200.20 and 1,073,708.76 is: 1,481,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,126.76 : 2,731,200.20 = 1,073,708.76 : x
  2. Step 2: Convert to fraction form
    1,979,126.76/2,731,200.20 = 1,073,708.76/x
  3. Step 3: Cross multiply
    1,979,126.76x = 2,731,200.20 × 1,073,708.76
  4. Step 4: Simplify right side
    1,979,126.76x = 2,932,513,580,053.75
  5. Step 5: Solve for x
    x = 2,932,513,580,053.75/1,979,126.76
  6. Step 6: Final answer
    x = 1,481,720.95

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1.5x scale

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.