Finding the Fourth Proportional to 1,263,558, 1,743,706.80 and 690,602.07
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Solution
The fourth proportional to 1,263,558, 1,743,706.80 and 690,602.07 is: 953,029.09
Step by Step Solution
- Step 1: Write the proportion equation
1,263,558 : 1,743,706.80 = 690,602.07 : x - Step 2: Convert to fraction form
1,263,558/1,743,706.80 = 690,602.07/x - Step 3: Cross multiply
1,263,558x = 1,743,706.80 × 690,602.07 - Step 4: Simplify right side
1,263,558x = 1,204,207,525,553.08 - Step 5: Solve for x
x = 1,204,207,525,553.08/1,263,558 - Step 6: Final answer
x = 953,029.09
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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.