Home / 1,107,637.81-1,664,924.87-730,979.04

Finding the Fourth Proportional to 1,107,637.81, 1,664,924.87 and 730,979.04

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Solution

The fourth proportional to 1,107,637.81, 1,664,924.87 and 730,979.04 is: 1,098,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,637.81 : 1,664,924.87 = 730,979.04 : x
  2. Step 2: Convert to fraction form
    1,107,637.81/1,664,924.87 = 730,979.04/x
  3. Step 3: Cross multiply
    1,107,637.81x = 1,664,924.87 × 730,979.04
  4. Step 4: Simplify right side
    1,107,637.81x = 1,217,025,171,165.21
  5. Step 5: Solve for x
    x = 1,217,025,171,165.21/1,107,637.81
  6. Step 6: Final answer
    x = 1,098,757.34

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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.