Home / 1,443,998.37-1,992,704.11-831,926.32

Finding the Fourth Proportional to 1,443,998.37, 1,992,704.11 and 831,926.32

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Solution

The fourth proportional to 1,443,998.37, 1,992,704.11 and 831,926.32 is: 1,148,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,998.37 : 1,992,704.11 = 831,926.32 : x
  2. Step 2: Convert to fraction form
    1,443,998.37/1,992,704.11 = 831,926.32/x
  3. Step 3: Cross multiply
    1,443,998.37x = 1,992,704.11 × 831,926.32
  4. Step 4: Simplify right side
    1,443,998.37x = 1,657,783,000,611.96
  5. Step 5: Solve for x
    x = 1,657,783,000,611.96/1,443,998.37
  6. Step 6: Final answer
    x = 1,148,050.47

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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.