Finding the Fourth Proportional to 1,276,175.16, 1,912,458.42 and 707,806.62
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Solution
The fourth proportional to 1,276,175.16, 1,912,458.42 and 707,806.62 is: 1,060,709.20
Step by Step Solution
- Step 1: Write the proportion equation
1,276,175.16 : 1,912,458.42 = 707,806.62 : x - Step 2: Convert to fraction form
1,276,175.16/1,912,458.42 = 707,806.62/x - Step 3: Cross multiply
1,276,175.16x = 1,912,458.42 × 707,806.62 - Step 4: Simplify right side
1,276,175.16x = 1,353,650,730,150.74 - Step 5: Solve for x
x = 1,353,650,730,150.74/1,276,175.16 - Step 6: Final answer
x = 1,060,709.20
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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.