Home / 1,540,694.28-2,309,789.28-642,804.96

Finding the Fourth Proportional to 1,540,694.28, 2,309,789.28 and 642,804.96

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Solution

The fourth proportional to 1,540,694.28, 2,309,789.28 and 642,804.96 is: 963,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,694.28 : 2,309,789.28 = 642,804.96 : x
  2. Step 2: Convert to fraction form
    1,540,694.28/2,309,789.28 = 642,804.96/x
  3. Step 3: Cross multiply
    1,540,694.28x = 2,309,789.28 × 642,804.96
  4. Step 4: Simplify right side
    1,540,694.28x = 1,484,744,005,738.83
  5. Step 5: Solve for x
    x = 1,484,744,005,738.83/1,540,694.28
  6. Step 6: Final answer
    x = 963,685.02

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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.