Finding the Fourth Proportional to 1,277,235.10, 1,762,588.11 and 704,262.70
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Solution
The fourth proportional to 1,277,235.10, 1,762,588.11 and 704,262.70 is: 971,884.55
Step by Step Solution
- Step 1: Write the proportion equation
1,277,235.10 : 1,762,588.11 = 704,262.70 : x - Step 2: Convert to fraction form
1,277,235.10/1,762,588.11 = 704,262.70/x - Step 3: Cross multiply
1,277,235.10x = 1,762,588.11 × 704,262.70 - Step 4: Simplify right side
1,277,235.10x = 1,241,325,061,336.50 - Step 5: Solve for x
x = 1,241,325,061,336.50/1,277,235.10 - Step 6: Final answer
x = 971,884.55
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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.