Home / 1,105,940.07-1,525,832.32-901,639.76

Finding the Fourth Proportional to 1,105,940.07, 1,525,832.32 and 901,639.76

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Solution

The fourth proportional to 1,105,940.07, 1,525,832.32 and 901,639.76 is: 1,243,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,940.07 : 1,525,832.32 = 901,639.76 : x
  2. Step 2: Convert to fraction form
    1,105,940.07/1,525,832.32 = 901,639.76/x
  3. Step 3: Cross multiply
    1,105,940.07x = 1,525,832.32 × 901,639.76
  4. Step 4: Simplify right side
    1,105,940.07x = 1,375,751,089,218.97
  5. Step 5: Solve for x
    x = 1,375,751,089,218.97/1,105,940.07
  6. Step 6: Final answer
    x = 1,243,965.31

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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.