Home / 824,470.20-1,236,705.30-682,752.60

Finding the Fourth Proportional to 824,470.20, 1,236,705.30 and 682,752.60

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Solution

The fourth proportional to 824,470.20, 1,236,705.30 and 682,752.60 is: 1,024,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,470.20 : 1,236,705.30 = 682,752.60 : x
  2. Step 2: Convert to fraction form
    824,470.20/1,236,705.30 = 682,752.60/x
  3. Step 3: Cross multiply
    824,470.20x = 1,236,705.30 × 682,752.60
  4. Step 4: Simplify right side
    824,470.20x = 844,363,759,008.78
  5. Step 5: Solve for x
    x = 844,363,759,008.78/824,470.20
  6. Step 6: Final answer
    x = 1,024,128.90

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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.