Finding the Fourth Proportional to 1,128,583.14, 1,692,973.11 and 370,197.12
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Solution
The fourth proportional to 1,128,583.14, 1,692,973.11 and 370,197.12 is: 555,327.96
Step by Step Solution
- Step 1: Write the proportion equation
1,128,583.14 : 1,692,973.11 = 370,197.12 : x - Step 2: Convert to fraction form
1,128,583.14/1,692,973.11 = 370,197.12/x - Step 3: Cross multiply
1,128,583.14x = 1,692,973.11 × 370,197.12 - Step 4: Simplify right side
1,128,583.14x = 626,733,769,559.44 - Step 5: Solve for x
x = 626,733,769,559.44/1,128,583.14 - Step 6: Final answer
x = 555,327.96
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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.