Finding the Fourth Proportional to 1,295,135.40, 1,944,452.70 and 822,743.40
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Solution
The fourth proportional to 1,295,135.40, 1,944,452.70 and 822,743.40 is: 1,235,226.55
Step by Step Solution
- Step 1: Write the proportion equation
1,295,135.40 : 1,944,452.70 = 822,743.40 : x - Step 2: Convert to fraction form
1,295,135.40/1,944,452.70 = 822,743.40/x - Step 3: Cross multiply
1,295,135.40x = 1,944,452.70 × 822,743.40 - Step 4: Simplify right side
1,295,135.40x = 1,599,785,625,537.18 - Step 5: Solve for x
x = 1,599,785,625,537.18/1,295,135.40 - Step 6: Final answer
x = 1,235,226.55
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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.