Home / 909,520.20-1,364,280.30-865,233.45

Finding the Fourth Proportional to 909,520.20, 1,364,280.30 and 865,233.45

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Solution

The fourth proportional to 909,520.20, 1,364,280.30 and 865,233.45 is: 1,297,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,520.20 : 1,364,280.30 = 865,233.45 : x
  2. Step 2: Convert to fraction form
    909,520.20/1,364,280.30 = 865,233.45/x
  3. Step 3: Cross multiply
    909,520.20x = 1,364,280.30 × 865,233.45
  4. Step 4: Simplify right side
    909,520.20x = 1,180,420,950,736.03
  5. Step 5: Solve for x
    x = 1,180,420,950,736.03/909,520.20
  6. Step 6: Final answer
    x = 1,297,850.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.