Finding the Fourth Proportional to 1,202,551.16, 1,659,435.47 and 686,184.05
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Solution
The fourth proportional to 1,202,551.16, 1,659,435.47 and 686,184.05 is: 946,885.41
Step by Step Solution
- Step 1: Write the proportion equation
1,202,551.16 : 1,659,435.47 = 686,184.05 : x - Step 2: Convert to fraction form
1,202,551.16/1,659,435.47 = 686,184.05/x - Step 3: Cross multiply
1,202,551.16x = 1,659,435.47 × 686,184.05 - Step 4: Simplify right side
1,202,551.16x = 1,138,678,148,087.33 - Step 5: Solve for x
x = 1,138,678,148,087.33/1,202,551.16 - Step 6: Final answer
x = 946,885.41
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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.