Finding the Fourth Proportional to 1,192,687.56, 1,645,916.10 and 648,828.36
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Solution
The fourth proportional to 1,192,687.56, 1,645,916.10 and 648,828.36 is: 895,387.09
Step by Step Solution
- Step 1: Write the proportion equation
1,192,687.56 : 1,645,916.10 = 648,828.36 : x - Step 2: Convert to fraction form
1,192,687.56/1,645,916.10 = 648,828.36/x - Step 3: Cross multiply
1,192,687.56x = 1,645,916.10 × 648,828.36 - Step 4: Simplify right side
1,192,687.56x = 1,067,917,043,860.60 - Step 5: Solve for x
x = 1,067,917,043,860.60/1,192,687.56 - Step 6: Final answer
x = 895,387.09
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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.