Finding the Fourth Proportional to 1,409,042.16, 1,944,481.68 and 764,462.19
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Solution
The fourth proportional to 1,409,042.16, 1,944,481.68 and 764,462.19 is: 1,054,959.72
Step by Step Solution
- Step 1: Write the proportion equation
1,409,042.16 : 1,944,481.68 = 764,462.19 : x - Step 2: Convert to fraction form
1,409,042.16/1,944,481.68 = 764,462.19/x - Step 3: Cross multiply
1,409,042.16x = 1,944,481.68 × 764,462.19 - Step 4: Simplify right side
1,409,042.16x = 1,486,482,723,507.68 - Step 5: Solve for x
x = 1,486,482,723,507.68/1,409,042.16 - Step 6: Final answer
x = 1,054,959.72
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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.