Finding the Fourth Proportional to 1,356,170.96, 1,871,539.68 and 744,380.96
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Solution
The fourth proportional to 1,356,170.96, 1,871,539.68 and 744,380.96 is: 1,027,258.76
Step by Step Solution
- Step 1: Write the proportion equation
1,356,170.96 : 1,871,539.68 = 744,380.96 : x - Step 2: Convert to fraction form
1,356,170.96/1,871,539.68 = 744,380.96/x - Step 3: Cross multiply
1,356,170.96x = 1,871,539.68 × 744,380.96 - Step 4: Simplify right side
1,356,170.96x = 1,393,138,503,676.49 - Step 5: Solve for x
x = 1,393,138,503,676.49/1,356,170.96 - Step 6: Final answer
x = 1,027,258.76
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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.