Finding the Fourth Proportional to 1,131,652.08, 1,561,644.12 and 622,352.88
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Solution
The fourth proportional to 1,131,652.08, 1,561,644.12 and 622,352.88 is: 858,827.31
Step by Step Solution
- Step 1: Write the proportion equation
1,131,652.08 : 1,561,644.12 = 622,352.88 : x - Step 2: Convert to fraction form
1,131,652.08/1,561,644.12 = 622,352.88/x - Step 3: Cross multiply
1,131,652.08x = 1,561,644.12 × 622,352.88 - Step 4: Simplify right side
1,131,652.08x = 971,893,715,617.07 - Step 5: Solve for x
x = 971,893,715,617.07/1,131,652.08 - Step 6: Final answer
x = 858,827.31
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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.