Home / 1,068,912.54-1,603,329.93-320,939.10

Finding the Fourth Proportional to 1,068,912.54, 1,603,329.93 and 320,939.10

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Solution

The fourth proportional to 1,068,912.54, 1,603,329.93 and 320,939.10 is: 481,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,912.54 : 1,603,329.93 = 320,939.10 : x
  2. Step 2: Convert to fraction form
    1,068,912.54/1,603,329.93 = 320,939.10/x
  3. Step 3: Cross multiply
    1,068,912.54x = 1,603,329.93 × 320,939.10
  4. Step 4: Simplify right side
    1,068,912.54x = 514,571,264,737.26
  5. Step 5: Solve for x
    x = 514,571,264,737.26/1,068,912.54
  6. Step 6: Final answer
    x = 481,396.98

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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.