Finding the Fourth Proportional to 1,011,117.76, 1,516,575.84 and 263,163.84
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Solution
The fourth proportional to 1,011,117.76, 1,516,575.84 and 263,163.84 is: 394,719.52
Step by Step Solution
- Step 1: Write the proportion equation
1,011,117.76 : 1,516,575.84 = 263,163.84 : x - Step 2: Convert to fraction form
1,011,117.76/1,516,575.84 = 263,163.84/x - Step 3: Cross multiply
1,011,117.76x = 1,516,575.84 × 263,163.84 - Step 4: Simplify right side
1,011,117.76x = 399,107,921,705.63 - Step 5: Solve for x
x = 399,107,921,705.63/1,011,117.76 - Step 6: Final answer
x = 394,719.52
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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.