Finding the Fourth Proportional to 1,274,351.07, 1,910,763.20 and 864,523.67
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Solution
The fourth proportional to 1,274,351.07, 1,910,763.20 and 864,523.67 is: 1,296,267.61
Step by Step Solution
- Step 1: Write the proportion equation
1,274,351.07 : 1,910,763.20 = 864,523.67 : x - Step 2: Convert to fraction form
1,274,351.07/1,910,763.20 = 864,523.67/x - Step 3: Cross multiply
1,274,351.07x = 1,910,763.20 × 864,523.67 - Step 4: Simplify right side
1,274,351.07x = 1,651,900,014,164.94 - Step 5: Solve for x
x = 1,651,900,014,164.94/1,274,351.07 - Step 6: Final answer
x = 1,296,267.61
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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.