Home / 1,091,120.20-1,505,224.34-847,737.26

Finding the Fourth Proportional to 1,091,120.20, 1,505,224.34 and 847,737.26

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Solution

The fourth proportional to 1,091,120.20, 1,505,224.34 and 847,737.26 is: 1,169,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,120.20 : 1,505,224.34 = 847,737.26 : x
  2. Step 2: Convert to fraction form
    1,091,120.20/1,505,224.34 = 847,737.26/x
  3. Step 3: Cross multiply
    1,091,120.20x = 1,505,224.34 × 847,737.26
  4. Step 4: Simplify right side
    1,091,120.20x = 1,276,034,757,676.91
  5. Step 5: Solve for x
    x = 1,276,034,757,676.91/1,091,120.20
  6. Step 6: Final answer
    x = 1,169,472.22

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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.