Home / 1,963,232.20-2,945,285.70-765,047.80

Finding the Fourth Proportional to 1,963,232.20, 2,945,285.70 and 765,047.80

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Solution

The fourth proportional to 1,963,232.20, 2,945,285.70 and 765,047.80 is: 1,147,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,232.20 : 2,945,285.70 = 765,047.80 : x
  2. Step 2: Convert to fraction form
    1,963,232.20/2,945,285.70 = 765,047.80/x
  3. Step 3: Cross multiply
    1,963,232.20x = 2,945,285.70 × 765,047.80
  4. Step 4: Simplify right side
    1,963,232.20x = 2,253,284,345,156.46
  5. Step 5: Solve for x
    x = 2,253,284,345,156.46/1,963,232.20
  6. Step 6: Final answer
    x = 1,147,742.15

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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.