Home / 1,091,229.90-1,505,375.72-847,846.88

Finding the Fourth Proportional to 1,091,229.90, 1,505,375.72 and 847,846.88

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Solution

The fourth proportional to 1,091,229.90, 1,505,375.72 and 847,846.88 is: 1,169,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,229.90 : 1,505,375.72 = 847,846.88 : x
  2. Step 2: Convert to fraction form
    1,091,229.90/1,505,375.72 = 847,846.88/x
  3. Step 3: Cross multiply
    1,091,229.90x = 1,505,375.72 × 847,846.88
  4. Step 4: Simplify right side
    1,091,229.90x = 1,276,328,095,663.64
  5. Step 5: Solve for x
    x = 1,276,328,095,663.64/1,091,229.90
  6. Step 6: Final answer
    x = 1,169,623.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.