Home / 1,647,678.24-2,273,674.32-922,358.88

Finding the Fourth Proportional to 1,647,678.24, 2,273,674.32 and 922,358.88

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Solution

The fourth proportional to 1,647,678.24, 2,273,674.32 and 922,358.88 is: 1,272,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,678.24 : 2,273,674.32 = 922,358.88 : x
  2. Step 2: Convert to fraction form
    1,647,678.24/2,273,674.32 = 922,358.88/x
  3. Step 3: Cross multiply
    1,647,678.24x = 2,273,674.32 × 922,358.88
  4. Step 4: Simplify right side
    1,647,678.24x = 2,097,143,699,279.96
  5. Step 5: Solve for x
    x = 2,097,143,699,279.96/1,647,678.24
  6. Step 6: Final answer
    x = 1,272,787.15

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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.