Finding the Fourth Proportional to 1,348,985.21, 1,861,604.47 and 737,138.00
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Solution
The fourth proportional to 1,348,985.21, 1,861,604.47 and 737,138.00 is: 1,017,253.11
Step by Step Solution
- Step 1: Write the proportion equation
1,348,985.21 : 1,861,604.47 = 737,138.00 : x - Step 2: Convert to fraction form
1,348,985.21/1,861,604.47 = 737,138.00/x - Step 3: Cross multiply
1,348,985.21x = 1,861,604.47 × 737,138.00 - Step 4: Simplify right side
1,348,985.21x = 1,372,259,401,382.29 - Step 5: Solve for x
x = 1,372,259,401,382.29/1,348,985.21 - Step 6: Final answer
x = 1,017,253.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.