Home / 1,311,822.73-1,810,338.42-738,883.27

Finding the Fourth Proportional to 1,311,822.73, 1,810,338.42 and 738,883.27

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Solution

The fourth proportional to 1,311,822.73, 1,810,338.42 and 738,883.27 is: 1,019,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,822.73 : 1,810,338.42 = 738,883.27 : x
  2. Step 2: Convert to fraction form
    1,311,822.73/1,810,338.42 = 738,883.27/x
  3. Step 3: Cross multiply
    1,311,822.73x = 1,810,338.42 × 738,883.27
  4. Step 4: Simplify right side
    1,311,822.73x = 1,337,628,771,576.23
  5. Step 5: Solve for x
    x = 1,337,628,771,576.23/1,311,822.73
  6. Step 6: Final answer
    x = 1,019,671.90

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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.