Home / 1,812,313.72-2,718,458.40-615,078.88

Finding the Fourth Proportional to 1,812,313.72, 2,718,458.40 and 615,078.88

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Solution

The fourth proportional to 1,812,313.72, 2,718,458.40 and 615,078.88 is: 922,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,313.72 : 2,718,458.40 = 615,078.88 : x
  2. Step 2: Convert to fraction form
    1,812,313.72/2,718,458.40 = 615,078.88/x
  3. Step 3: Cross multiply
    1,812,313.72x = 2,718,458.40 × 615,078.88
  4. Step 4: Simplify right side
    1,812,313.72x = 1,672,066,347,998.59
  5. Step 5: Solve for x
    x = 1,672,066,347,998.59/1,812,313.72
  6. Step 6: Final answer
    x = 922,614.19

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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.