Finding the Fourth Proportional to 1,351,832.25, 1,865,557.68 and 748,220.25
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Solution
The fourth proportional to 1,351,832.25, 1,865,557.68 and 748,220.25 is: 1,032,560.09
Step by Step Solution
- Step 1: Write the proportion equation
1,351,832.25 : 1,865,557.68 = 748,220.25 : x - Step 2: Convert to fraction form
1,351,832.25/1,865,557.68 = 748,220.25/x - Step 3: Cross multiply
1,351,832.25x = 1,865,557.68 × 748,220.25 - Step 4: Simplify right side
1,351,832.25x = 1,395,848,033,719.02 - Step 5: Solve for x
x = 1,395,848,033,719.02/1,351,832.25 - Step 6: Final answer
x = 1,032,560.09
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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.