Home / 1,508,025.76-2,081,022.78-828,957.40

Finding the Fourth Proportional to 1,508,025.76, 2,081,022.78 and 828,957.40

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Solution

The fourth proportional to 1,508,025.76, 2,081,022.78 and 828,957.40 is: 1,143,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,025.76 : 2,081,022.78 = 828,957.40 : x
  2. Step 2: Convert to fraction form
    1,508,025.76/2,081,022.78 = 828,957.40/x
  3. Step 3: Cross multiply
    1,508,025.76x = 2,081,022.78 × 828,957.40
  4. Step 4: Simplify right side
    1,508,025.76x = 1,725,079,233,049.57
  5. Step 5: Solve for x
    x = 1,725,079,233,049.57/1,508,025.76
  6. Step 6: Final answer
    x = 1,143,932.21

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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.