Finding the Fourth Proportional to 1,057,163.70, 1,585,745.55 and 847,211.70
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Solution
The fourth proportional to 1,057,163.70, 1,585,745.55 and 847,211.70 is: 1,270,817.55
Step by Step Solution
- Step 1: Write the proportion equation
1,057,163.70 : 1,585,745.55 = 847,211.70 : x - Step 2: Convert to fraction form
1,057,163.70/1,585,745.55 = 847,211.70/x - Step 3: Cross multiply
1,057,163.70x = 1,585,745.55 × 847,211.70 - Step 4: Simplify right side
1,057,163.70x = 1,343,462,183,182.94 - Step 5: Solve for x
x = 1,343,462,183,182.94/1,057,163.70 - Step 6: Final answer
x = 1,270,817.55
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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.