Finding the Fourth Proportional to 1,112,226.53, 1,534,812.98 and 628,762.84
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Solution
The fourth proportional to 1,112,226.53, 1,534,812.98 and 628,762.84 is: 867,659.01
Step by Step Solution
- Step 1: Write the proportion equation
1,112,226.53 : 1,534,812.98 = 628,762.84 : x - Step 2: Convert to fraction form
1,112,226.53/1,534,812.98 = 628,762.84/x - Step 3: Cross multiply
1,112,226.53x = 1,534,812.98 × 628,762.84 - Step 4: Simplify right side
1,112,226.53x = 965,033,361,192.82 - Step 5: Solve for x
x = 965,033,361,192.82/1,112,226.53 - Step 6: Final answer
x = 867,659.01
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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.