Finding the Fourth Proportional to 1,310,923.44, 1,809,246.60 and 738,075.60
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Solution
The fourth proportional to 1,310,923.44, 1,809,246.60 and 738,075.60 is: 1,018,641.31
Step by Step Solution
- Step 1: Write the proportion equation
1,310,923.44 : 1,809,246.60 = 738,075.60 : x - Step 2: Convert to fraction form
1,310,923.44/1,809,246.60 = 738,075.60/x - Step 3: Cross multiply
1,310,923.44x = 1,809,246.60 × 738,075.60 - Step 4: Simplify right side
1,310,923.44x = 1,335,360,769,842.96 - Step 5: Solve for x
x = 1,335,360,769,842.96/1,310,923.44 - Step 6: Final answer
x = 1,018,641.31
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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.