Finding the Fourth Proportional to 1,330,601.44, 1,993,537.68 and 761,959.84
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Solution
The fourth proportional to 1,330,601.44, 1,993,537.68 and 761,959.84 is: 1,141,585.76
Step by Step Solution
- Step 1: Write the proportion equation
1,330,601.44 : 1,993,537.68 = 761,959.84 : x - Step 2: Convert to fraction form
1,330,601.44/1,993,537.68 = 761,959.84/x - Step 3: Cross multiply
1,330,601.44x = 1,993,537.68 × 761,959.84 - Step 4: Simplify right side
1,330,601.44x = 1,518,995,651,686.77 - Step 5: Solve for x
x = 1,518,995,651,686.77/1,330,601.44 - Step 6: Final answer
x = 1,141,585.76
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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.