Finding the Fourth Proportional to 1,057,163.80, 1,583,121.30 and 847,211.80
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Solution
The fourth proportional to 1,057,163.80, 1,583,121.30 and 847,211.80 is: 1,268,714.50
Step by Step Solution
- Step 1: Write the proportion equation
1,057,163.80 : 1,583,121.30 = 847,211.80 : x - Step 2: Convert to fraction form
1,057,163.80/1,583,121.30 = 847,211.80/x - Step 3: Cross multiply
1,057,163.80x = 1,583,121.30 × 847,211.80 - Step 4: Simplify right side
1,057,163.80x = 1,341,239,046,191.34 - Step 5: Solve for x
x = 1,341,239,046,191.34/1,057,163.80 - Step 6: Final answer
x = 1,268,714.50
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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.