Finding the Fourth Proportional to 1,393,048.99, 2,089,781.12 and 494,415.44
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Solution
The fourth proportional to 1,393,048.99, 2,089,781.12 and 494,415.44 is: 741,696.86
Step by Step Solution
- Step 1: Write the proportion equation
1,393,048.99 : 2,089,781.12 = 494,415.44 : x - Step 2: Convert to fraction form
1,393,048.99/2,089,781.12 = 494,415.44/x - Step 3: Cross multiply
1,393,048.99x = 2,089,781.12 × 494,415.44 - Step 4: Simplify right side
1,393,048.99x = 1,033,220,059,546.24 - Step 5: Solve for x
x = 1,033,220,059,546.24/1,393,048.99 - Step 6: Final answer
x = 741,696.86
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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.