Finding the Fourth Proportional to 1,314,202.05, 1,970,842.28 and 682,906.05
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Solution
The fourth proportional to 1,314,202.05, 1,970,842.28 and 682,906.05 is: 1,024,119.63
Step by Step Solution
- Step 1: Write the proportion equation
1,314,202.05 : 1,970,842.28 = 682,906.05 : x - Step 2: Convert to fraction form
1,314,202.05/1,970,842.28 = 682,906.05/x - Step 3: Cross multiply
1,314,202.05x = 1,970,842.28 × 682,906.05 - Step 4: Simplify right side
1,314,202.05x = 1,345,900,113,193.26 - Step 5: Solve for x
x = 1,345,900,113,193.26/1,314,202.05 - Step 6: Final answer
x = 1,024,119.63
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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.