Home / 1,443,442.84-1,991,753.94-831,367.96

Finding the Fourth Proportional to 1,443,442.84, 1,991,753.94 and 831,367.96

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Solution

The fourth proportional to 1,443,442.84, 1,991,753.94 and 831,367.96 is: 1,147,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,442.84 : 1,991,753.94 = 831,367.96 : x
  2. Step 2: Convert to fraction form
    1,443,442.84/1,991,753.94 = 831,367.96/x
  3. Step 3: Cross multiply
    1,443,442.84x = 1,991,753.94 × 831,367.96
  4. Step 4: Simplify right side
    1,443,442.84x = 1,655,880,409,919.76
  5. Step 5: Solve for x
    x = 1,655,880,409,919.76/1,443,442.84
  6. Step 6: Final answer
    x = 1,147,174.22

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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.