Home / 1,416,206.22-2,126,161.20-840,879.60

Finding the Fourth Proportional to 1,416,206.22, 2,126,161.20 and 840,879.60

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Solution

The fourth proportional to 1,416,206.22, 2,126,161.20 and 840,879.60 is: 1,262,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,206.22 : 2,126,161.20 = 840,879.60 : x
  2. Step 2: Convert to fraction form
    1,416,206.22/2,126,161.20 = 840,879.60/x
  3. Step 3: Cross multiply
    1,416,206.22x = 2,126,161.20 × 840,879.60
  4. Step 4: Simplify right side
    1,416,206.22x = 1,787,845,579,391.52
  5. Step 5: Solve for x
    x = 1,787,845,579,391.52/1,416,206.22
  6. Step 6: Final answer
    x = 1,262,418.96

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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.