Finding the Fourth Proportional to 1,306,478.19, 1,802,893.44 and 733,542.51
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Solution
The fourth proportional to 1,306,478.19, 1,802,893.44 and 733,542.51 is: 1,012,262.58
Step by Step Solution
- Step 1: Write the proportion equation
1,306,478.19 : 1,802,893.44 = 733,542.51 : x - Step 2: Convert to fraction form
1,306,478.19/1,802,893.44 = 733,542.51/x - Step 3: Cross multiply
1,306,478.19x = 1,802,893.44 × 733,542.51 - Step 4: Simplify right side
1,306,478.19x = 1,322,498,979,240.13 - Step 5: Solve for x
x = 1,322,498,979,240.13/1,306,478.19 - Step 6: Final answer
x = 1,012,262.58
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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.