Finding the Fourth Proportional to 1,311,728.93, 1,967,663.94 and 413,240.98
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Solution
The fourth proportional to 1,311,728.93, 1,967,663.94 and 413,240.98 is: 619,883.70
Step by Step Solution
- Step 1: Write the proportion equation
1,311,728.93 : 1,967,663.94 = 413,240.98 : x - Step 2: Convert to fraction form
1,311,728.93/1,967,663.94 = 413,240.98/x - Step 3: Cross multiply
1,311,728.93x = 1,967,663.94 × 413,240.98 - Step 4: Simplify right side
1,311,728.93x = 813,119,378,245.77 - Step 5: Solve for x
x = 813,119,378,245.77/1,311,728.93 - Step 6: Final answer
x = 619,883.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.