Finding the Fourth Proportional to 1,107,783.60, 1,528,741.38 and 598,485.97
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Solution
The fourth proportional to 1,107,783.60, 1,528,741.38 and 598,485.97 is: 825,910.65
Step by Step Solution
- Step 1: Write the proportion equation
1,107,783.60 : 1,528,741.38 = 598,485.97 : x - Step 2: Convert to fraction form
1,107,783.60/1,528,741.38 = 598,485.97/x - Step 3: Cross multiply
1,107,783.60x = 1,528,741.38 × 598,485.97 - Step 4: Simplify right side
1,107,783.60x = 914,930,267,688.44 - Step 5: Solve for x
x = 914,930,267,688.44/1,107,783.60 - Step 6: Final answer
x = 825,910.65
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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.