Home / 1,348,736.87-2,021,790.38-538,879.84

Finding the Fourth Proportional to 1,348,736.87, 2,021,790.38 and 538,879.84

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Solution

The fourth proportional to 1,348,736.87, 2,021,790.38 and 538,879.84 is: 807,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,736.87 : 2,021,790.38 = 538,879.84 : x
  2. Step 2: Convert to fraction form
    1,348,736.87/2,021,790.38 = 538,879.84/x
  3. Step 3: Cross multiply
    1,348,736.87x = 2,021,790.38 × 538,879.84
  4. Step 4: Simplify right side
    1,348,736.87x = 1,089,502,068,739.06
  5. Step 5: Solve for x
    x = 1,089,502,068,739.06/1,348,736.87
  6. Step 6: Final answer
    x = 807,794.38

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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.