Finding the Fourth Proportional to 1,394,138.70, 2,091,208.05 and 832,884.30
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Solution
The fourth proportional to 1,394,138.70, 2,091,208.05 and 832,884.30 is: 1,249,326.45
Step by Step Solution
- Step 1: Write the proportion equation
1,394,138.70 : 2,091,208.05 = 832,884.30 : x - Step 2: Convert to fraction form
1,394,138.70/2,091,208.05 = 832,884.30/x - Step 3: Cross multiply
1,394,138.70x = 2,091,208.05 × 832,884.30 - Step 4: Simplify right side
1,394,138.70x = 1,741,734,352,878.62 - Step 5: Solve for x
x = 1,741,734,352,878.62/1,394,138.70 - Step 6: Final answer
x = 1,249,326.45
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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.