Home / 1,639,826.28-2,460,215.34-680,105.88

Finding the Fourth Proportional to 1,639,826.28, 2,460,215.34 and 680,105.88

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Solution

The fourth proportional to 1,639,826.28, 2,460,215.34 and 680,105.88 is: 1,020,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,826.28 : 2,460,215.34 = 680,105.88 : x
  2. Step 2: Convert to fraction form
    1,639,826.28/2,460,215.34 = 680,105.88/x
  3. Step 3: Cross multiply
    1,639,826.28x = 2,460,215.34 × 680,105.88
  4. Step 4: Simplify right side
    1,639,826.28x = 1,673,206,918,800.20
  5. Step 5: Solve for x
    x = 1,673,206,918,800.20/1,639,826.28
  6. Step 6: Final answer
    x = 1,020,356.20

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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.