Finding the Fourth Proportional to 1,171,488.42, 1,755,224.64 and 786,516.08
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Solution
The fourth proportional to 1,171,488.42, 1,755,224.64 and 786,516.08 is: 1,178,425.98
Step by Step Solution
- Step 1: Write the proportion equation
1,171,488.42 : 1,755,224.64 = 786,516.08 : x - Step 2: Convert to fraction form
1,171,488.42/1,755,224.64 = 786,516.08/x - Step 3: Cross multiply
1,171,488.42x = 1,755,224.64 × 786,516.08 - Step 4: Simplify right side
1,171,488.42x = 1,380,512,394,596.09 - Step 5: Solve for x
x = 1,380,512,394,596.09/1,171,488.42 - Step 6: Final answer
x = 1,178,425.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.