Finding the Fourth Proportional to 1,202,131.70, 1,802,782.42 and 348,972.06
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Solution
The fourth proportional to 1,202,131.70, 1,802,782.42 and 348,972.06 is: 523,337.58
Step by Step Solution
- Step 1: Write the proportion equation
1,202,131.70 : 1,802,782.42 = 348,972.06 : x - Step 2: Convert to fraction form
1,202,131.70/1,802,782.42 = 348,972.06/x - Step 3: Cross multiply
1,202,131.70x = 1,802,782.42 × 348,972.06 - Step 4: Simplify right side
1,202,131.70x = 629,120,694,839.19 - Step 5: Solve for x
x = 629,120,694,839.19/1,202,131.70 - Step 6: Final answer
x = 523,337.58
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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.