Home / 1,443,227.86-1,991,655.22-789,853.50

Finding the Fourth Proportional to 1,443,227.86, 1,991,655.22 and 789,853.50

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Solution

The fourth proportional to 1,443,227.86, 1,991,655.22 and 789,853.50 is: 1,089,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,227.86 : 1,991,655.22 = 789,853.50 : x
  2. Step 2: Convert to fraction form
    1,443,227.86/1,991,655.22 = 789,853.50/x
  3. Step 3: Cross multiply
    1,443,227.86x = 1,991,655.22 × 789,853.50
  4. Step 4: Simplify right side
    1,443,227.86x = 1,573,115,846,310.27
  5. Step 5: Solve for x
    x = 1,573,115,846,310.27/1,443,227.86
  6. Step 6: Final answer
    x = 1,089,998.25

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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.