Finding the Fourth Proportional to 1,059,466.23, 1,590,198.08 and 386,198.28
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Solution
The fourth proportional to 1,059,466.23, 1,590,198.08 and 386,198.28 is: 579,661.48
Step by Step Solution
- Step 1: Write the proportion equation
1,059,466.23 : 1,590,198.08 = 386,198.28 : x - Step 2: Convert to fraction form
1,059,466.23/1,590,198.08 = 386,198.28/x - Step 3: Cross multiply
1,059,466.23x = 1,590,198.08 × 386,198.28 - Step 4: Simplify right side
1,059,466.23x = 614,131,761,424.31 - Step 5: Solve for x
x = 614,131,761,424.31/1,059,466.23 - Step 6: Final answer
x = 579,661.48
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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.