Finding the Fourth Proportional to 1,207,493.70, 1,811,240.55 and 735,101.70
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Solution
The fourth proportional to 1,207,493.70, 1,811,240.55 and 735,101.70 is: 1,102,652.55
Step by Step Solution
- Step 1: Write the proportion equation
1,207,493.70 : 1,811,240.55 = 735,101.70 : x - Step 2: Convert to fraction form
1,207,493.70/1,811,240.55 = 735,101.70/x - Step 3: Cross multiply
1,207,493.70x = 1,811,240.55 × 735,101.70 - Step 4: Simplify right side
1,207,493.70x = 1,331,446,007,413.94 - Step 5: Solve for x
x = 1,331,446,007,413.94/1,207,493.70 - Step 6: Final answer
x = 1,102,652.55
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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.