Finding the Fourth Proportional to 1,306,472.46, 1,959,707.97 and 407,991.21
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Solution
The fourth proportional to 1,306,472.46, 1,959,707.97 and 407,991.21 is: 611,986.59
Step by Step Solution
- Step 1: Write the proportion equation
1,306,472.46 : 1,959,707.97 = 407,991.21 : x - Step 2: Convert to fraction form
1,306,472.46/1,959,707.97 = 407,991.21/x - Step 3: Cross multiply
1,306,472.46x = 1,959,707.97 × 407,991.21 - Step 4: Simplify right side
1,306,472.46x = 799,543,625,926.94 - Step 5: Solve for x
x = 799,543,625,926.94/1,306,472.46 - Step 6: Final answer
x = 611,986.59
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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.