Finding the Fourth Proportional to 1,269,112.62, 1,902,722.07 and 763,555.14
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Solution
The fourth proportional to 1,269,112.62, 1,902,722.07 and 763,555.14 is: 1,144,763.04
Step by Step Solution
- Step 1: Write the proportion equation
1,269,112.62 : 1,902,722.07 = 763,555.14 : x - Step 2: Convert to fraction form
1,269,112.62/1,902,722.07 = 763,555.14/x - Step 3: Cross multiply
1,269,112.62x = 1,902,722.07 × 763,555.14 - Step 4: Simplify right side
1,269,112.62x = 1,452,833,216,539.94 - Step 5: Solve for x
x = 1,452,833,216,539.94/1,269,112.62 - Step 6: Final answer
x = 1,144,763.04
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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.