Finding the Fourth Proportional to 1,260,323.80, 1,888,757.70 and 809,661.40
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Solution
The fourth proportional to 1,260,323.80, 1,888,757.70 and 809,661.40 is: 1,213,381.99
Step by Step Solution
- Step 1: Write the proportion equation
1,260,323.80 : 1,888,757.70 = 809,661.40 : x - Step 2: Convert to fraction form
1,260,323.80/1,888,757.70 = 809,661.40/x - Step 3: Cross multiply
1,260,323.80x = 1,888,757.70 × 809,661.40 - Step 4: Simplify right side
1,260,323.80x = 1,529,254,203,642.78 - Step 5: Solve for x
x = 1,529,254,203,642.78/1,260,323.80 - Step 6: Final answer
x = 1,213,381.99
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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.