Home / 1,090,744.45-1,505,213.00-631,921.57

Finding the Fourth Proportional to 1,090,744.45, 1,505,213.00 and 631,921.57

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Solution

The fourth proportional to 1,090,744.45, 1,505,213.00 and 631,921.57 is: 872,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,744.45 : 1,505,213.00 = 631,921.57 : x
  2. Step 2: Convert to fraction form
    1,090,744.45/1,505,213.00 = 631,921.57/x
  3. Step 3: Cross multiply
    1,090,744.45x = 1,505,213.00 × 631,921.57
  4. Step 4: Simplify right side
    1,090,744.45x = 951,176,558,984.80
  5. Step 5: Solve for x
    x = 951,176,558,984.80/1,090,744.45
  6. Step 6: Final answer
    x = 872,043.46

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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.