Home / 1,368,015.40-2,052,023.10-770,818.60

Finding the Fourth Proportional to 1,368,015.40, 2,052,023.10 and 770,818.60

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Solution

The fourth proportional to 1,368,015.40, 2,052,023.10 and 770,818.60 is: 1,156,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,015.40 : 2,052,023.10 = 770,818.60 : x
  2. Step 2: Convert to fraction form
    1,368,015.40/2,052,023.10 = 770,818.60/x
  3. Step 3: Cross multiply
    1,368,015.40x = 2,052,023.10 × 770,818.60
  4. Step 4: Simplify right side
    1,368,015.40x = 1,581,737,573,109.66
  5. Step 5: Solve for x
    x = 1,581,737,573,109.66/1,368,015.40
  6. Step 6: Final answer
    x = 1,156,227.90

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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.