Finding the Fourth Proportional to 1,217,772.97, 1,680,529.97 and 673,946.26
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Solution
The fourth proportional to 1,217,772.97, 1,680,529.97 and 673,946.26 is: 930,047.65
Step by Step Solution
- Step 1: Write the proportion equation
1,217,772.97 : 1,680,529.97 = 673,946.26 : x - Step 2: Convert to fraction form
1,217,772.97/1,680,529.97 = 673,946.26/x - Step 3: Cross multiply
1,217,772.97x = 1,680,529.97 × 673,946.26 - Step 4: Simplify right side
1,217,772.97x = 1,132,586,888,099.41 - Step 5: Solve for x
x = 1,132,586,888,099.41/1,217,772.97 - Step 6: Final answer
x = 930,047.65
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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.