Home / 1,568,821.20-2,164,882.24-880,428.76

Finding the Fourth Proportional to 1,568,821.20, 2,164,882.24 and 880,428.76

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Solution

The fourth proportional to 1,568,821.20, 2,164,882.24 and 880,428.76 is: 1,214,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,821.20 : 2,164,882.24 = 880,428.76 : x
  2. Step 2: Convert to fraction form
    1,568,821.20/2,164,882.24 = 880,428.76/x
  3. Step 3: Cross multiply
    1,568,821.20x = 2,164,882.24 × 880,428.76
  4. Step 4: Simplify right side
    1,568,821.20x = 1,906,024,586,109.22
  5. Step 5: Solve for x
    x = 1,906,024,586,109.22/1,568,821.20
  6. Step 6: Final answer
    x = 1,214,940.61

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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.