Finding the Fourth Proportional to 1,131,629.68, 1,561,617.80 and 622,332
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Solution
The fourth proportional to 1,131,629.68, 1,561,617.80 and 622,332 is: 858,801.02
Step by Step Solution
- Step 1: Write the proportion equation
1,131,629.68 : 1,561,617.80 = 622,332 : x - Step 2: Convert to fraction form
1,131,629.68/1,561,617.80 = 622,332/x - Step 3: Cross multiply
1,131,629.68x = 1,561,617.80 × 622,332 - Step 4: Simplify right side
1,131,629.68x = 971,844,728,709.60 - Step 5: Solve for x
x = 971,844,728,709.60/1,131,629.68 - Step 6: Final answer
x = 858,801.02
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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.