Home / 1,393,169.25-2,090,414.28-673,107.32

Finding the Fourth Proportional to 1,393,169.25, 2,090,414.28 and 673,107.32

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Solution

The fourth proportional to 1,393,169.25, 2,090,414.28 and 673,107.32 is: 1,009,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,169.25 : 2,090,414.28 = 673,107.32 : x
  2. Step 2: Convert to fraction form
    1,393,169.25/2,090,414.28 = 673,107.32/x
  3. Step 3: Cross multiply
    1,393,169.25x = 2,090,414.28 × 673,107.32
  4. Step 4: Simplify right side
    1,393,169.25x = 1,407,073,143,248.46
  5. Step 5: Solve for x
    x = 1,407,073,143,248.46/1,393,169.25
  6. Step 6: Final answer
    x = 1,009,980.05

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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.