Home / 1,091,228.73-1,505,374.10-847,845.70

Finding the Fourth Proportional to 1,091,228.73, 1,505,374.10 and 847,845.70

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Solution

The fourth proportional to 1,091,228.73, 1,505,374.10 and 847,845.70 is: 1,169,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,228.73 : 1,505,374.10 = 847,845.70 : x
  2. Step 2: Convert to fraction form
    1,091,228.73/1,505,374.10 = 847,845.70/x
  3. Step 3: Cross multiply
    1,091,228.73x = 1,505,374.10 × 847,845.70
  4. Step 4: Simplify right side
    1,091,228.73x = 1,276,324,952,753.13
  5. Step 5: Solve for x
    x = 1,276,324,952,753.13/1,091,228.73
  6. Step 6: Final answer
    x = 1,169,621.84

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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.