Home / 1,629,810.45-2,445,216.26-777,969.09

Finding the Fourth Proportional to 1,629,810.45, 2,445,216.26 and 777,969.09

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Solution

The fourth proportional to 1,629,810.45, 2,445,216.26 and 777,969.09 is: 1,167,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,810.45 : 2,445,216.26 = 777,969.09 : x
  2. Step 2: Convert to fraction form
    1,629,810.45/2,445,216.26 = 777,969.09/x
  3. Step 3: Cross multiply
    1,629,810.45x = 2,445,216.26 × 777,969.09
  4. Step 4: Simplify right side
    1,629,810.45x = 1,902,302,652,529.48
  5. Step 5: Solve for x
    x = 1,902,302,652,529.48/1,629,810.45
  6. Step 6: Final answer
    x = 1,167,192.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.