Home / 1,689,471.28-2,533,449.19-1,006,679.88

Finding the Fourth Proportional to 1,689,471.28, 2,533,449.19 and 1,006,679.88

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Solution

The fourth proportional to 1,689,471.28, 2,533,449.19 and 1,006,679.88 is: 1,509,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,471.28 : 2,533,449.19 = 1,006,679.88 : x
  2. Step 2: Convert to fraction form
    1,689,471.28/2,533,449.19 = 1,006,679.88/x
  3. Step 3: Cross multiply
    1,689,471.28x = 2,533,449.19 × 1,006,679.88
  4. Step 4: Simplify right side
    1,689,471.28x = 2,550,372,315,208.28
  5. Step 5: Solve for x
    x = 2,550,372,315,208.28/1,689,471.28
  6. Step 6: Final answer
    x = 1,509,568.32

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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.