Finding the Fourth Proportional to 1,222,436.97, 1,833,240.20 and 423,531.99
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Solution
The fourth proportional to 1,222,436.97, 1,833,240.20 and 423,531.99 is: 635,154.11
Step by Step Solution
- Step 1: Write the proportion equation
1,222,436.97 : 1,833,240.20 = 423,531.99 : x - Step 2: Convert to fraction form
1,222,436.97/1,833,240.20 = 423,531.99/x - Step 3: Cross multiply
1,222,436.97x = 1,833,240.20 × 423,531.99 - Step 4: Simplify right side
1,222,436.97x = 776,435,867,936.34 - Step 5: Solve for x
x = 776,435,867,936.34/1,222,436.97 - Step 6: Final answer
x = 635,154.11
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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.