Finding the Fourth Proportional to 1,104,653.18, 1,524,406.87 and 621,218.18
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Solution
The fourth proportional to 1,104,653.18, 1,524,406.87 and 621,218.18 is: 857,272.92
Step by Step Solution
- Step 1: Write the proportion equation
1,104,653.18 : 1,524,406.87 = 621,218.18 : x - Step 2: Convert to fraction form
1,104,653.18/1,524,406.87 = 621,218.18/x - Step 3: Cross multiply
1,104,653.18x = 1,524,406.87 × 621,218.18 - Step 4: Simplify right side
1,104,653.18x = 946,989,261,360.90 - Step 5: Solve for x
x = 946,989,261,360.90/1,104,653.18 - Step 6: Final answer
x = 857,272.92
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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.