Finding the Fourth Proportional to 1,240,420.37, 1,859,449.37 and 398,381.63
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Solution
The fourth proportional to 1,240,420.37, 1,859,449.37 and 398,381.63 is: 597,193.08
Step by Step Solution
- Step 1: Write the proportion equation
1,240,420.37 : 1,859,449.37 = 398,381.63 : x - Step 2: Convert to fraction form
1,240,420.37/1,859,449.37 = 398,381.63/x - Step 3: Cross multiply
1,240,420.37x = 1,859,449.37 × 398,381.63 - Step 4: Simplify right side
1,240,420.37x = 740,770,459,633.92 - Step 5: Solve for x
x = 740,770,459,633.92/1,240,420.37 - Step 6: Final answer
x = 597,193.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.