Finding the Fourth Proportional to 1,131,822.24, 1,561,944.24 and 622,537.98
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Solution
The fourth proportional to 1,131,822.24, 1,561,944.24 and 622,537.98 is: 859,118.67
Step by Step Solution
- Step 1: Write the proportion equation
1,131,822.24 : 1,561,944.24 = 622,537.98 : x - Step 2: Convert to fraction form
1,131,822.24/1,561,944.24 = 622,537.98/x - Step 3: Cross multiply
1,131,822.24x = 1,561,944.24 × 622,537.98 - Step 4: Simplify right side
1,131,822.24x = 972,369,612,042.24 - Step 5: Solve for x
x = 972,369,612,042.24/1,131,822.24 - Step 6: Final answer
x = 859,118.67
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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.