Finding the Fourth Proportional to 1,112,226.68, 1,534,813.15 and 628,762.99
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Solution
The fourth proportional to 1,112,226.68, 1,534,813.15 and 628,762.99 is: 867,659.19
Step by Step Solution
- Step 1: Write the proportion equation
1,112,226.68 : 1,534,813.15 = 628,762.99 : x - Step 2: Convert to fraction form
1,112,226.68/1,534,813.15 = 628,762.99/x - Step 3: Cross multiply
1,112,226.68x = 1,534,813.15 × 628,762.99 - Step 4: Simplify right side
1,112,226.68x = 965,033,694,467.44 - Step 5: Solve for x
x = 965,033,694,467.44/1,112,226.68 - Step 6: Final answer
x = 867,659.19
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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.