Finding the Fourth Proportional to 1,272,112.44, 1,755,440.96 and 699,153.08
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Solution
The fourth proportional to 1,272,112.44, 1,755,440.96 and 699,153.08 is: 964,790.46
Step by Step Solution
- Step 1: Write the proportion equation
1,272,112.44 : 1,755,440.96 = 699,153.08 : x - Step 2: Convert to fraction form
1,272,112.44/1,755,440.96 = 699,153.08/x - Step 3: Cross multiply
1,272,112.44x = 1,755,440.96 × 699,153.08 - Step 4: Simplify right side
1,272,112.44x = 1,227,321,941,669.19 - Step 5: Solve for x
x = 1,227,321,941,669.19/1,272,112.44 - Step 6: Final answer
x = 964,790.46
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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.