Finding the Fourth Proportional to 1,187,163.66, 1,780,079.64 and 512,824.08
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Solution
The fourth proportional to 1,187,163.66, 1,780,079.64 and 512,824.08 is: 768,948.49
Step by Step Solution
- Step 1: Write the proportion equation
1,187,163.66 : 1,780,079.64 = 512,824.08 : x - Step 2: Convert to fraction form
1,187,163.66/1,780,079.64 = 512,824.08/x - Step 3: Cross multiply
1,187,163.66x = 1,780,079.64 × 512,824.08 - Step 4: Simplify right side
1,187,163.66x = 912,867,703,709.73 - Step 5: Solve for x
x = 912,867,703,709.73/1,187,163.66 - Step 6: Final answer
x = 768,948.49
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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.