Finding the Fourth Proportional to 1,321,751.98, 1,982,593.14 and 375,122.80
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Solution
The fourth proportional to 1,321,751.98, 1,982,593.14 and 375,122.80 is: 562,674.31
Step by Step Solution
- Step 1: Write the proportion equation
1,321,751.98 : 1,982,593.14 = 375,122.80 : x - Step 2: Convert to fraction form
1,321,751.98/1,982,593.14 = 375,122.80/x - Step 3: Cross multiply
1,321,751.98x = 1,982,593.14 × 375,122.80 - Step 4: Simplify right side
1,321,751.98x = 743,715,889,937.59 - Step 5: Solve for x
x = 743,715,889,937.59/1,321,751.98 - Step 6: Final answer
x = 562,674.31
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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.