Finding the Fourth Proportional to 1,219,578.08, 1,683,017.60 and 683,034.08
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Solution
The fourth proportional to 1,219,578.08, 1,683,017.60 and 683,034.08 is: 942,586.95
Step by Step Solution
- Step 1: Write the proportion equation
1,219,578.08 : 1,683,017.60 = 683,034.08 : x - Step 2: Convert to fraction form
1,219,578.08/1,683,017.60 = 683,034.08/x - Step 3: Cross multiply
1,219,578.08x = 1,683,017.60 × 683,034.08 - Step 4: Simplify right side
1,219,578.08x = 1,149,558,378,039.81 - Step 5: Solve for x
x = 1,149,558,378,039.81/1,219,578.08 - Step 6: Final answer
x = 942,586.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.