Finding the Fourth Proportional to 1,242,494.56, 1,863,744.27 and 343,938.88
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Solution
The fourth proportional to 1,242,494.56, 1,863,744.27 and 343,938.88 is: 515,908.99
Step by Step Solution
- Step 1: Write the proportion equation
1,242,494.56 : 1,863,744.27 = 343,938.88 : x - Step 2: Convert to fraction form
1,242,494.56/1,863,744.27 = 343,938.88/x - Step 3: Cross multiply
1,242,494.56x = 1,863,744.27 × 343,938.88 - Step 4: Simplify right side
1,242,494.56x = 641,014,116,830.22 - Step 5: Solve for x
x = 641,014,116,830.22/1,242,494.56 - Step 6: Final answer
x = 515,908.99
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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.