Home / 947,321.60-1,420,982.40-682,937.60

Finding the Fourth Proportional to 947,321.60, 1,420,982.40 and 682,937.60

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Solution

The fourth proportional to 947,321.60, 1,420,982.40 and 682,937.60 is: 1,024,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,321.60 : 1,420,982.40 = 682,937.60 : x
  2. Step 2: Convert to fraction form
    947,321.60/1,420,982.40 = 682,937.60/x
  3. Step 3: Cross multiply
    947,321.60x = 1,420,982.40 × 682,937.60
  4. Step 4: Simplify right side
    947,321.60x = 970,442,309,898.24
  5. Step 5: Solve for x
    x = 970,442,309,898.24/947,321.60
  6. Step 6: Final answer
    x = 1,024,406.40

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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.