Home / 1,842,481.45-2,763,980.17-644,131.20

Finding the Fourth Proportional to 1,842,481.45, 2,763,980.17 and 644,131.20

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Solution

The fourth proportional to 1,842,481.45, 2,763,980.17 and 644,131.20 is: 966,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,481.45 : 2,763,980.17 = 644,131.20 : x
  2. Step 2: Convert to fraction form
    1,842,481.45/2,763,980.17 = 644,131.20/x
  3. Step 3: Cross multiply
    1,842,481.45x = 2,763,980.17 × 644,131.20
  4. Step 4: Simplify right side
    1,842,481.45x = 1,780,365,863,678.30
  5. Step 5: Solve for x
    x = 1,780,365,863,678.30/1,842,481.45
  6. Step 6: Final answer
    x = 966,287.00

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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.