Home / 1,644,364.03-2,269,231.46-919,242.31

Finding the Fourth Proportional to 1,644,364.03, 2,269,231.46 and 919,242.31

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Solution

The fourth proportional to 1,644,364.03, 2,269,231.46 and 919,242.31 is: 1,268,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,364.03 : 2,269,231.46 = 919,242.31 : x
  2. Step 2: Convert to fraction form
    1,644,364.03/2,269,231.46 = 919,242.31/x
  3. Step 3: Cross multiply
    1,644,364.03x = 2,269,231.46 × 919,242.31
  4. Step 4: Simplify right side
    1,644,364.03x = 2,085,973,569,215.07
  5. Step 5: Solve for x
    x = 2,085,973,569,215.07/1,644,364.03
  6. Step 6: Final answer
    x = 1,268,559.47

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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.