Finding the Fourth Proportional to 1,198,112.74, 1,653,403.71 and 654,252.46
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Solution
The fourth proportional to 1,198,112.74, 1,653,403.71 and 654,252.46 is: 902,872.83
Step by Step Solution
- Step 1: Write the proportion equation
1,198,112.74 : 1,653,403.71 = 654,252.46 : x - Step 2: Convert to fraction form
1,198,112.74/1,653,403.71 = 654,252.46/x - Step 3: Cross multiply
1,198,112.74x = 1,653,403.71 × 654,252.46 - Step 4: Simplify right side
1,198,112.74x = 1,081,743,444,640.63 - Step 5: Solve for x
x = 1,081,743,444,640.63/1,198,112.74 - Step 6: Final answer
x = 902,872.83
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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.