Finding the Fourth Proportional to 1,419,576.48, 2,126,958.84 and 857,430
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Solution
The fourth proportional to 1,419,576.48, 2,126,958.84 and 857,430 is: 1,284,691.84
Step by Step Solution
- Step 1: Write the proportion equation
1,419,576.48 : 2,126,958.84 = 857,430 : x - Step 2: Convert to fraction form
1,419,576.48/2,126,958.84 = 857,430/x - Step 3: Cross multiply
1,419,576.48x = 2,126,958.84 × 857,430 - Step 4: Simplify right side
1,419,576.48x = 1,823,718,318,181.20 - Step 5: Solve for x
x = 1,823,718,318,181.20/1,419,576.48 - Step 6: Final answer
x = 1,284,691.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.