Home / 1,320,922.71-1,822,842.49-777,093.51

Finding the Fourth Proportional to 1,320,922.71, 1,822,842.49 and 777,093.51

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Solution

The fourth proportional to 1,320,922.71, 1,822,842.49 and 777,093.51 is: 1,072,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,922.71 : 1,822,842.49 = 777,093.51 : x
  2. Step 2: Convert to fraction form
    1,320,922.71/1,822,842.49 = 777,093.51/x
  3. Step 3: Cross multiply
    1,320,922.71x = 1,822,842.49 × 777,093.51
  4. Step 4: Simplify right side
    1,320,922.71x = 1,416,519,068,731.24
  5. Step 5: Solve for x
    x = 1,416,519,068,731.24/1,320,922.71
  6. Step 6: Final answer
    x = 1,072,370.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.