Home / 1,048,759.62-1,447,399.26-641,100.12

Finding the Fourth Proportional to 1,048,759.62, 1,447,399.26 and 641,100.12

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Solution

The fourth proportional to 1,048,759.62, 1,447,399.26 and 641,100.12 is: 884,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,759.62 : 1,447,399.26 = 641,100.12 : x
  2. Step 2: Convert to fraction form
    1,048,759.62/1,447,399.26 = 641,100.12/x
  3. Step 3: Cross multiply
    1,048,759.62x = 1,447,399.26 × 641,100.12
  4. Step 4: Simplify right side
    1,048,759.62x = 927,927,839,273.91
  5. Step 5: Solve for x
    x = 927,927,839,273.91/1,048,759.62
  6. Step 6: Final answer
    x = 884,786.01

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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.