Home / 1,269,623.36-1,903,432.96-629,485.72

Finding the Fourth Proportional to 1,269,623.36, 1,903,432.96 and 629,485.72

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Solution

The fourth proportional to 1,269,623.36, 1,903,432.96 and 629,485.72 is: 943,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,623.36 : 1,903,432.96 = 629,485.72 : x
  2. Step 2: Convert to fraction form
    1,269,623.36/1,903,432.96 = 629,485.72/x
  3. Step 3: Cross multiply
    1,269,623.36x = 1,903,432.96 × 629,485.72
  4. Step 4: Simplify right side
    1,269,623.36x = 1,198,183,867,297.33
  5. Step 5: Solve for x
    x = 1,198,183,867,297.33/1,269,623.36
  6. Step 6: Final answer
    x = 943,731.74

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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.