Finding the Fourth Proportional to 1,051,591.36, 1,449,495.96 and 821,749.24
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Solution
The fourth proportional to 1,051,591.36, 1,449,495.96 and 821,749.24 is: 1,132,685.42
Step by Step Solution
- Step 1: Write the proportion equation
1,051,591.36 : 1,449,495.96 = 821,749.24 : x - Step 2: Convert to fraction form
1,051,591.36/1,449,495.96 = 821,749.24/x - Step 3: Cross multiply
1,051,591.36x = 1,449,495.96 × 821,749.24 - Step 4: Simplify right side
1,051,591.36x = 1,191,122,203,513.07 - Step 5: Solve for x
x = 1,191,122,203,513.07/1,051,591.36 - Step 6: Final answer
x = 1,132,685.42
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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.