Finding the Fourth Proportional to 1,311,046.14, 1,809,277.48 and 738,106.80
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Solution
The fourth proportional to 1,311,046.14, 1,809,277.48 and 738,106.80 is: 1,018,606.42
Step by Step Solution
- Step 1: Write the proportion equation
1,311,046.14 : 1,809,277.48 = 738,106.80 : x - Step 2: Convert to fraction form
1,311,046.14/1,809,277.48 = 738,106.80/x - Step 3: Cross multiply
1,311,046.14x = 1,809,277.48 × 738,106.80 - Step 4: Simplify right side
1,311,046.14x = 1,335,440,011,074.86 - Step 5: Solve for x
x = 1,335,440,011,074.86/1,311,046.14 - Step 6: Final answer
x = 1,018,606.42
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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.