Finding the Fourth Proportional to 1,283,165.18, 1,770,850.15 and 739,291.08
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Solution
The fourth proportional to 1,283,165.18, 1,770,850.15 and 739,291.08 is: 1,020,269.05
Step by Step Solution
- Step 1: Write the proportion equation
1,283,165.18 : 1,770,850.15 = 739,291.08 : x - Step 2: Convert to fraction form
1,283,165.18/1,770,850.15 = 739,291.08/x - Step 3: Cross multiply
1,283,165.18x = 1,770,850.15 × 739,291.08 - Step 4: Simplify right side
1,283,165.18x = 1,309,173,718,063.43 - Step 5: Solve for x
x = 1,309,173,718,063.43/1,283,165.18 - Step 6: Final answer
x = 1,020,269.05
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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.