Finding the Fourth Proportional to 1,072,610.70, 1,609,132.06 and 314,450.70
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Solution
The fourth proportional to 1,072,610.70, 1,609,132.06 and 314,450.70 is: 471,739.38
Step by Step Solution
- Step 1: Write the proportion equation
1,072,610.70 : 1,609,132.06 = 314,450.70 : x - Step 2: Convert to fraction form
1,072,610.70/1,609,132.06 = 314,450.70/x - Step 3: Cross multiply
1,072,610.70x = 1,609,132.06 × 314,450.70 - Step 4: Simplify right side
1,072,610.70x = 505,992,702,659.44 - Step 5: Solve for x
x = 505,992,702,659.44/1,072,610.70 - Step 6: Final answer
x = 471,739.38
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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.