Home / 1,151,704.80-1,728,334.80-646,264.80

Finding the Fourth Proportional to 1,151,704.80, 1,728,334.80 and 646,264.80

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Solution

The fourth proportional to 1,151,704.80, 1,728,334.80 and 646,264.80 is: 969,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,704.80 : 1,728,334.80 = 646,264.80 : x
  2. Step 2: Convert to fraction form
    1,151,704.80/1,728,334.80 = 646,264.80/x
  3. Step 3: Cross multiply
    1,151,704.80x = 1,728,334.80 × 646,264.80
  4. Step 4: Simplify right side
    1,151,704.80x = 1,116,961,943,855.04
  5. Step 5: Solve for x
    x = 1,116,961,943,855.04/1,151,704.80
  6. Step 6: Final answer
    x = 969,833.54

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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.