Home / 1,221,376.82-1,833,119.31-847,662.26

Finding the Fourth Proportional to 1,221,376.82, 1,833,119.31 and 847,662.26

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Solution

The fourth proportional to 1,221,376.82, 1,833,119.31 and 847,662.26 is: 1,272,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,376.82 : 1,833,119.31 = 847,662.26 : x
  2. Step 2: Convert to fraction form
    1,221,376.82/1,833,119.31 = 847,662.26/x
  3. Step 3: Cross multiply
    1,221,376.82x = 1,833,119.31 × 847,662.26
  4. Step 4: Simplify right side
    1,221,376.82x = 1,553,866,057,164.24
  5. Step 5: Solve for x
    x = 1,553,866,057,164.24/1,221,376.82
  6. Step 6: Final answer
    x = 1,272,224.94

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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.