Finding the Fourth Proportional to 1,276,697.91, 1,912,655.73 and 1,145,244.63
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Solution
The fourth proportional to 1,276,697.91, 1,912,655.73 and 1,145,244.63 is: 1,715,722.01
Step by Step Solution
- Step 1: Write the proportion equation
1,276,697.91 : 1,912,655.73 = 1,145,244.63 : x - Step 2: Convert to fraction form
1,276,697.91/1,912,655.73 = 1,145,244.63/x - Step 3: Cross multiply
1,276,697.91x = 1,912,655.73 × 1,145,244.63 - Step 4: Simplify right side
1,276,697.91x = 2,190,458,703,821.23 - Step 5: Solve for x
x = 2,190,458,703,821.23/1,276,697.91 - Step 6: Final answer
x = 1,715,722.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.