Finding the Fourth Proportional to 1,319,750.96, 1,821,261.32 and 716,138.96
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Solution
The fourth proportional to 1,319,750.96, 1,821,261.32 and 716,138.96 is: 988,274.48
Step by Step Solution
- Step 1: Write the proportion equation
1,319,750.96 : 1,821,261.32 = 716,138.96 : x - Step 2: Convert to fraction form
1,319,750.96/1,821,261.32 = 716,138.96/x - Step 3: Cross multiply
1,319,750.96x = 1,821,261.32 × 716,138.96 - Step 4: Simplify right side
1,319,750.96x = 1,304,276,187,593.03 - Step 5: Solve for x
x = 1,304,276,187,593.03/1,319,750.96 - Step 6: Final answer
x = 988,274.48
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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.