Finding the Fourth Proportional to 1,128,566.49, 1,692,494.12 and 370,231.24
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Solution
The fourth proportional to 1,128,566.49, 1,692,494.12 and 370,231.24 is: 555,230.20
Step by Step Solution
- Step 1: Write the proportion equation
1,128,566.49 : 1,692,494.12 = 370,231.24 : x - Step 2: Convert to fraction form
1,128,566.49/1,692,494.12 = 370,231.24/x - Step 3: Cross multiply
1,128,566.49x = 1,692,494.12 × 370,231.24 - Step 4: Simplify right side
1,128,566.49x = 626,614,197,665.89 - Step 5: Solve for x
x = 626,614,197,665.89/1,128,566.49 - Step 6: Final answer
x = 555,230.20
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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.