Finding the Fourth Proportional to 1,104,652.18, 1,524,405.49 and 621,217.18
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Solution
The fourth proportional to 1,104,652.18, 1,524,405.49 and 621,217.18 is: 857,271.54
Step by Step Solution
- Step 1: Write the proportion equation
1,104,652.18 : 1,524,405.49 = 621,217.18 : x - Step 2: Convert to fraction form
1,104,652.18/1,524,405.49 = 621,217.18/x - Step 3: Cross multiply
1,104,652.18x = 1,524,405.49 × 621,217.18 - Step 4: Simplify right side
1,104,652.18x = 946,986,879,674.32 - Step 5: Solve for x
x = 946,986,879,674.32/1,104,652.18 - Step 6: Final answer
x = 857,271.54
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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.