Finding the Fourth Proportional to 1,258,138.26, 1,726,465.37 and 1,144,090.26
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Solution
The fourth proportional to 1,258,138.26, 1,726,465.37 and 1,144,090.26 is: 1,569,964.34
Step by Step Solution
- Step 1: Write the proportion equation
1,258,138.26 : 1,726,465.37 = 1,144,090.26 : x - Step 2: Convert to fraction form
1,258,138.26/1,726,465.37 = 1,144,090.26/x - Step 3: Cross multiply
1,258,138.26x = 1,726,465.37 × 1,144,090.26 - Step 4: Simplify right side
1,258,138.26x = 1,975,232,208,323.85 - Step 5: Solve for x
x = 1,975,232,208,323.85/1,258,138.26 - Step 6: Final answer
x = 1,569,964.34
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.