Home / 1,007,136.96-1,389,882.90-548,268.30

Finding the Fourth Proportional to 1,007,136.96, 1,389,882.90 and 548,268.30

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Solution

The fourth proportional to 1,007,136.96, 1,389,882.90 and 548,268.30 is: 756,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,136.96 : 1,389,882.90 = 548,268.30 : x
  2. Step 2: Convert to fraction form
    1,007,136.96/1,389,882.90 = 548,268.30/x
  3. Step 3: Cross multiply
    1,007,136.96x = 1,389,882.90 × 548,268.30
  4. Step 4: Simplify right side
    1,007,136.96x = 762,028,734,782.07
  5. Step 5: Solve for x
    x = 762,028,734,782.07/1,007,136.96
  6. Step 6: Final answer
    x = 756,628.71

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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.