Home / 1,429,849.53-2,145,660.03-831,092.67

Finding the Fourth Proportional to 1,429,849.53, 2,145,660.03 and 831,092.67

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Solution

The fourth proportional to 1,429,849.53, 2,145,660.03 and 831,092.67 is: 1,247,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,849.53 : 2,145,660.03 = 831,092.67 : x
  2. Step 2: Convert to fraction form
    1,429,849.53/2,145,660.03 = 831,092.67/x
  3. Step 3: Cross multiply
    1,429,849.53x = 2,145,660.03 × 831,092.67
  4. Step 4: Simplify right side
    1,429,849.53x = 1,783,242,323,244.98
  5. Step 5: Solve for x
    x = 1,783,242,323,244.98/1,429,849.53
  6. Step 6: Final answer
    x = 1,247,153.83

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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.