Finding the Fourth Proportional to 1,242,484.62, 1,863,729.49 and 343,929.02
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Solution
The fourth proportional to 1,242,484.62, 1,863,729.49 and 343,929.02 is: 515,894.23
Step by Step Solution
- Step 1: Write the proportion equation
1,242,484.62 : 1,863,729.49 = 343,929.02 : x - Step 2: Convert to fraction form
1,242,484.62/1,863,729.49 = 343,929.02/x - Step 3: Cross multiply
1,242,484.62x = 1,863,729.49 × 343,929.02 - Step 4: Simplify right side
1,242,484.62x = 640,990,651,579.03 - Step 5: Solve for x
x = 640,990,651,579.03/1,242,484.62 - Step 6: Final answer
x = 515,894.23
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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.