Finding the Fourth Proportional to 1,368,902.44, 2,051,642.94 and 658,739.80
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Solution
The fourth proportional to 1,368,902.44, 2,051,642.94 and 658,739.80 is: 987,286.47
Step by Step Solution
- Step 1: Write the proportion equation
1,368,902.44 : 2,051,642.94 = 658,739.80 : x - Step 2: Convert to fraction form
1,368,902.44/2,051,642.94 = 658,739.80/x - Step 3: Cross multiply
1,368,902.44x = 2,051,642.94 × 658,739.80 - Step 4: Simplify right side
1,368,902.44x = 1,351,498,859,967.01 - Step 5: Solve for x
x = 1,351,498,859,967.01/1,368,902.44 - Step 6: Final answer
x = 987,286.47
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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.