Finding the Fourth Proportional to 1,263,089.25, 1,743,042.84 and 690,117.12
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Solution
The fourth proportional to 1,263,089.25, 1,743,042.84 and 690,117.12 is: 952,350.52
Step by Step Solution
- Step 1: Write the proportion equation
1,263,089.25 : 1,743,042.84 = 690,117.12 : x - Step 2: Convert to fraction form
1,263,089.25/1,743,042.84 = 690,117.12/x - Step 3: Cross multiply
1,263,089.25x = 1,743,042.84 × 690,117.12 - Step 4: Simplify right side
1,263,089.25x = 1,202,903,704,777.42 - Step 5: Solve for x
x = 1,202,903,704,777.42/1,263,089.25 - Step 6: Final answer
x = 952,350.52
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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.