Finding the Fourth Proportional to 1,226,589.24, 1,692,680.22 and 682,716.36
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Solution
The fourth proportional to 1,226,589.24, 1,692,680.22 and 682,716.36 is: 942,141.38
Step by Step Solution
- Step 1: Write the proportion equation
1,226,589.24 : 1,692,680.22 = 682,716.36 : x - Step 2: Convert to fraction form
1,226,589.24/1,692,680.22 = 682,716.36/x - Step 3: Cross multiply
1,226,589.24x = 1,692,680.22 × 682,716.36 - Step 4: Simplify right side
1,226,589.24x = 1,155,620,478,442.40 - Step 5: Solve for x
x = 1,155,620,478,442.40/1,226,589.24 - Step 6: Final answer
x = 942,141.38
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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.