Finding the Fourth Proportional to 1,321,750.98, 1,982,591.64 and 375,121.80
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Solution
The fourth proportional to 1,321,750.98, 1,982,591.64 and 375,121.80 is: 562,672.82
Step by Step Solution
- Step 1: Write the proportion equation
1,321,750.98 : 1,982,591.64 = 375,121.80 : x - Step 2: Convert to fraction form
1,321,750.98/1,982,591.64 = 375,121.80/x - Step 3: Cross multiply
1,321,750.98x = 1,982,591.64 × 375,121.80 - Step 4: Simplify right side
1,321,750.98x = 743,713,344,661.75 - Step 5: Solve for x
x = 743,713,344,661.75/1,321,750.98 - Step 6: Final answer
x = 562,672.82
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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.