Home / 1,068,918.54-1,603,338.90-320,945.10

Finding the Fourth Proportional to 1,068,918.54, 1,603,338.90 and 320,945.10

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Solution

The fourth proportional to 1,068,918.54, 1,603,338.90 and 320,945.10 is: 481,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,918.54 : 1,603,338.90 = 320,945.10 : x
  2. Step 2: Convert to fraction form
    1,068,918.54/1,603,338.90 = 320,945.10/x
  3. Step 3: Cross multiply
    1,068,918.54x = 1,603,338.90 × 320,945.10
  4. Step 4: Simplify right side
    1,068,918.54x = 514,583,763,594.39
  5. Step 5: Solve for x
    x = 514,583,763,594.39/1,068,918.54
  6. Step 6: Final answer
    x = 481,405.97

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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.