Home / 1,214,680.60-1,821,146.08-682,364.80

Finding the Fourth Proportional to 1,214,680.60, 1,821,146.08 and 682,364.80

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Solution

The fourth proportional to 1,214,680.60, 1,821,146.08 and 682,364.80 is: 1,023,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,680.60 : 1,821,146.08 = 682,364.80 : x
  2. Step 2: Convert to fraction form
    1,214,680.60/1,821,146.08 = 682,364.80/x
  3. Step 3: Cross multiply
    1,214,680.60x = 1,821,146.08 × 682,364.80
  4. Step 4: Simplify right side
    1,214,680.60x = 1,242,685,980,649.98
  5. Step 5: Solve for x
    x = 1,242,685,980,649.98/1,214,680.60
  6. Step 6: Final answer
    x = 1,023,055.76

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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.