Finding the Fourth Proportional to 1,202,106.70, 1,801,629.15 and 491,331.70
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Solution
The fourth proportional to 1,202,106.70, 1,801,629.15 and 491,331.70 is: 736,371.83
Step by Step Solution
- Step 1: Write the proportion equation
1,202,106.70 : 1,801,629.15 = 491,331.70 : x - Step 2: Convert to fraction form
1,202,106.70/1,801,629.15 = 491,331.70/x - Step 3: Cross multiply
1,202,106.70x = 1,801,629.15 × 491,331.70 - Step 4: Simplify right side
1,202,106.70x = 885,197,513,039.06 - Step 5: Solve for x
x = 885,197,513,039.06/1,202,106.70 - Step 6: Final answer
x = 736,371.83
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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.