Home / 1,525,187.18-2,102,843.26-1,116,579.62

Finding the Fourth Proportional to 1,525,187.18, 2,102,843.26 and 1,116,579.62

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Solution

The fourth proportional to 1,525,187.18, 2,102,843.26 and 1,116,579.62 is: 1,539,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,187.18 : 2,102,843.26 = 1,116,579.62 : x
  2. Step 2: Convert to fraction form
    1,525,187.18/2,102,843.26 = 1,116,579.62/x
  3. Step 3: Cross multiply
    1,525,187.18x = 2,102,843.26 × 1,116,579.62
  4. Step 4: Simplify right side
    1,525,187.18x = 2,347,991,928,170.36
  5. Step 5: Solve for x
    x = 2,347,991,928,170.36/1,525,187.18
  6. Step 6: Final answer
    x = 1,539,477.88

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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.