Home / 1,319,481.91-1,820,731.58-738,737.83

Finding the Fourth Proportional to 1,319,481.91, 1,820,731.58 and 738,737.83

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Solution

The fourth proportional to 1,319,481.91, 1,820,731.58 and 738,737.83 is: 1,019,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,481.91 : 1,820,731.58 = 738,737.83 : x
  2. Step 2: Convert to fraction form
    1,319,481.91/1,820,731.58 = 738,737.83/x
  3. Step 3: Cross multiply
    1,319,481.91x = 1,820,731.58 × 738,737.83
  4. Step 4: Simplify right side
    1,319,481.91x = 1,345,043,287,318.01
  5. Step 5: Solve for x
    x = 1,345,043,287,318.01/1,319,481.91
  6. Step 6: Final answer
    x = 1,019,372.29

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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.