Finding the Fourth Proportional to 1,011,647.84, 1,516,163.52 and 756,929.84
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Solution
The fourth proportional to 1,011,647.84, 1,516,163.52 and 756,929.84 is: 1,134,415.92
Step by Step Solution
- Step 1: Write the proportion equation
1,011,647.84 : 1,516,163.52 = 756,929.84 : x - Step 2: Convert to fraction form
1,011,647.84/1,516,163.52 = 756,929.84/x - Step 3: Cross multiply
1,011,647.84x = 1,516,163.52 × 756,929.84 - Step 4: Simplify right side
1,011,647.84x = 1,147,629,410,607.44 - Step 5: Solve for x
x = 1,147,629,410,607.44/1,011,647.84 - Step 6: Final answer
x = 1,134,415.92
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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.