Finding the Fourth Proportional to 1,265,072.16, 1,745,819.26 and 692,121.90
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Solution
The fourth proportional to 1,265,072.16, 1,745,819.26 and 692,121.90 is: 955,138.99
Step by Step Solution
- Step 1: Write the proportion equation
1,265,072.16 : 1,745,819.26 = 692,121.90 : x - Step 2: Convert to fraction form
1,265,072.16/1,745,819.26 = 692,121.90/x - Step 3: Cross multiply
1,265,072.16x = 1,745,819.26 × 692,121.90 - Step 4: Simplify right side
1,265,072.16x = 1,208,319,743,287.79 - Step 5: Solve for x
x = 1,208,319,743,287.79/1,265,072.16 - Step 6: Final answer
x = 955,138.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.