Finding the Fourth Proportional to 1,430,914.92, 1,974,232.02 and 857,745.96
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Solution
The fourth proportional to 1,430,914.92, 1,974,232.02 and 857,745.96 is: 1,183,431.32
Step by Step Solution
- Step 1: Write the proportion equation
1,430,914.92 : 1,974,232.02 = 857,745.96 : x - Step 2: Convert to fraction form
1,430,914.92/1,974,232.02 = 857,745.96/x - Step 3: Cross multiply
1,430,914.92x = 1,974,232.02 × 857,745.96 - Step 4: Simplify right side
1,430,914.92x = 1,693,389,539,257.64 - Step 5: Solve for x
x = 1,693,389,539,257.64/1,430,914.92 - Step 6: Final answer
x = 1,183,431.32
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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.