Home / 929,014.70-1,394,558.85-868,102.70

Finding the Fourth Proportional to 929,014.70, 1,394,558.85 and 868,102.70

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Solution

The fourth proportional to 929,014.70, 1,394,558.85 and 868,102.70 is: 1,303,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,014.70 : 1,394,558.85 = 868,102.70 : x
  2. Step 2: Convert to fraction form
    929,014.70/1,394,558.85 = 868,102.70/x
  3. Step 3: Cross multiply
    929,014.70x = 1,394,558.85 × 868,102.70
  4. Step 4: Simplify right side
    929,014.70x = 1,210,620,302,993.90
  5. Step 5: Solve for x
    x = 1,210,620,302,993.90/929,014.70
  6. Step 6: Final answer
    x = 1,303,122.87

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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.