Finding the Fourth Proportional to 1,146,620.70, 1,582,354.26 and 630,396.96
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Solution
The fourth proportional to 1,146,620.70, 1,582,354.26 and 630,396.96 is: 869,957.53
Step by Step Solution
- Step 1: Write the proportion equation
1,146,620.70 : 1,582,354.26 = 630,396.96 : x - Step 2: Convert to fraction form
1,146,620.70/1,582,354.26 = 630,396.96/x - Step 3: Cross multiply
1,146,620.70x = 1,582,354.26 × 630,396.96 - Step 4: Simplify right side
1,146,620.70x = 997,511,315,147.05 - Step 5: Solve for x
x = 997,511,315,147.05/1,146,620.70 - Step 6: Final answer
x = 869,957.53
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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.