Finding the Fourth Proportional to 1,037,418.48, 1,431,994.68 and 607,837.68
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Solution
The fourth proportional to 1,037,418.48, 1,431,994.68 and 607,837.68 is: 839,025.27
Step by Step Solution
- Step 1: Write the proportion equation
1,037,418.48 : 1,431,994.68 = 607,837.68 : x - Step 2: Convert to fraction form
1,037,418.48/1,431,994.68 = 607,837.68/x - Step 3: Cross multiply
1,037,418.48x = 1,431,994.68 × 607,837.68 - Step 4: Simplify right side
1,037,418.48x = 870,420,324,063.54 - Step 5: Solve for x
x = 870,420,324,063.54/1,037,418.48 - Step 6: Final answer
x = 839,025.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.