Finding the Fourth Proportional to 1,202,453.67, 1,659,412.93 and 686,197.29
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Solution
The fourth proportional to 1,202,453.67, 1,659,412.93 and 686,197.29 is: 946,967.59
Step by Step Solution
- Step 1: Write the proportion equation
1,202,453.67 : 1,659,412.93 = 686,197.29 : x - Step 2: Convert to fraction form
1,202,453.67/1,659,412.93 = 686,197.29/x - Step 3: Cross multiply
1,202,453.67x = 1,659,412.93 × 686,197.29 - Step 4: Simplify right side
1,202,453.67x = 1,138,684,656,414.71 - Step 5: Solve for x
x = 1,138,684,656,414.71/1,202,453.67 - Step 6: Final answer
x = 946,967.59
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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.