Home / 1,049,207.46-1,448,018.42-641,548.23

Finding the Fourth Proportional to 1,049,207.46, 1,448,018.42 and 641,548.23

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Solution

The fourth proportional to 1,049,207.46, 1,448,018.42 and 641,548.23 is: 885,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,207.46 : 1,448,018.42 = 641,548.23 : x
  2. Step 2: Convert to fraction form
    1,049,207.46/1,448,018.42 = 641,548.23/x
  3. Step 3: Cross multiply
    1,049,207.46x = 1,448,018.42 × 641,548.23
  4. Step 4: Simplify right side
    1,049,207.46x = 928,973,651,150.66
  5. Step 5: Solve for x
    x = 928,973,651,150.66/1,049,207.46
  6. Step 6: Final answer
    x = 885,405.11

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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.