Finding the Fourth Proportional to 1,026,676.93, 1,540,235.18 and 307,075.09
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Solution
The fourth proportional to 1,026,676.93, 1,540,235.18 and 307,075.09 is: 460,678.37
Step by Step Solution
- Step 1: Write the proportion equation
1,026,676.93 : 1,540,235.18 = 307,075.09 : x - Step 2: Convert to fraction form
1,026,676.93/1,540,235.18 = 307,075.09/x - Step 3: Cross multiply
1,026,676.93x = 1,540,235.18 × 307,075.09 - Step 4: Simplify right side
1,026,676.93x = 472,967,856,519.67 - Step 5: Solve for x
x = 472,967,856,519.67/1,026,676.93 - Step 6: Final answer
x = 460,678.37
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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.