Home / 1,138,736.31-1,571,456.46-622,492.48

Finding the Fourth Proportional to 1,138,736.31, 1,571,456.46 and 622,492.48

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Solution

The fourth proportional to 1,138,736.31, 1,571,456.46 and 622,492.48 is: 859,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,736.31 : 1,571,456.46 = 622,492.48 : x
  2. Step 2: Convert to fraction form
    1,138,736.31/1,571,456.46 = 622,492.48/x
  3. Step 3: Cross multiply
    1,138,736.31x = 1,571,456.46 × 622,492.48
  4. Step 4: Simplify right side
    1,138,736.31x = 978,219,830,961.74
  5. Step 5: Solve for x
    x = 978,219,830,961.74/1,138,736.31
  6. Step 6: Final answer
    x = 859,039.82

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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.