Finding the Fourth Proportional to 1,080,623.97, 1,621,772.69 and 407,317.82
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Solution
The fourth proportional to 1,080,623.97, 1,621,772.69 and 407,317.82 is: 611,292.11
Step by Step Solution
- Step 1: Write the proportion equation
1,080,623.97 : 1,621,772.69 = 407,317.82 : x - Step 2: Convert to fraction form
1,080,623.97/1,621,772.69 = 407,317.82/x - Step 3: Cross multiply
1,080,623.97x = 1,621,772.69 × 407,317.82 - Step 4: Simplify right side
1,080,623.97x = 660,576,906,480.88 - Step 5: Solve for x
x = 660,576,906,480.88/1,080,623.97 - Step 6: Final answer
x = 611,292.11
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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.