Home / 1,306,476.46-1,959,713.97-407,995.21

Finding the Fourth Proportional to 1,306,476.46, 1,959,713.97 and 407,995.21

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Solution

The fourth proportional to 1,306,476.46, 1,959,713.97 and 407,995.21 is: 611,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,476.46 : 1,959,713.97 = 407,995.21 : x
  2. Step 2: Convert to fraction form
    1,306,476.46/1,959,713.97 = 407,995.21/x
  3. Step 3: Cross multiply
    1,306,476.46x = 1,959,713.97 × 407,995.21
  4. Step 4: Simplify right side
    1,306,476.46x = 799,553,912,730.08
  5. Step 5: Solve for x
    x = 799,553,912,730.08/1,306,476.46
  6. Step 6: Final answer
    x = 611,992.59

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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.