Home / 1,022,884.78-1,534,271.54-312,912.82

Finding the Fourth Proportional to 1,022,884.78, 1,534,271.54 and 312,912.82

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Solution

The fourth proportional to 1,022,884.78, 1,534,271.54 and 312,912.82 is: 469,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,884.78 : 1,534,271.54 = 312,912.82 : x
  2. Step 2: Convert to fraction form
    1,022,884.78/1,534,271.54 = 312,912.82/x
  3. Step 3: Cross multiply
    1,022,884.78x = 1,534,271.54 × 312,912.82
  4. Step 4: Simplify right side
    1,022,884.78x = 480,093,234,227.14
  5. Step 5: Solve for x
    x = 480,093,234,227.14/1,022,884.78
  6. Step 6: Final answer
    x = 469,352.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.