Home / 1,610,969.09-2,222,584.11-998,901.50

Finding the Fourth Proportional to 1,610,969.09, 2,222,584.11 and 998,901.50

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Solution

The fourth proportional to 1,610,969.09, 2,222,584.11 and 998,901.50 is: 1,378,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,969.09 : 2,222,584.11 = 998,901.50 : x
  2. Step 2: Convert to fraction form
    1,610,969.09/2,222,584.11 = 998,901.50/x
  3. Step 3: Cross multiply
    1,610,969.09x = 2,222,584.11 × 998,901.50
  4. Step 4: Simplify right side
    1,610,969.09x = 2,220,142,590,242.24
  5. Step 5: Solve for x
    x = 2,220,142,590,242.24/1,610,969.09
  6. Step 6: Final answer
    x = 1,378,141.03

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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.