Finding the Fourth Proportional to 1,120,929.44, 1,546,916.81 and 637,564.23
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Solution
The fourth proportional to 1,120,929.44, 1,546,916.81 and 637,564.23 is: 879,858.08
Step by Step Solution
- Step 1: Write the proportion equation
1,120,929.44 : 1,546,916.81 = 637,564.23 : x - Step 2: Convert to fraction form
1,120,929.44/1,546,916.81 = 637,564.23/x - Step 3: Cross multiply
1,120,929.44x = 1,546,916.81 × 637,564.23 - Step 4: Simplify right side
1,120,929.44x = 986,258,821,653.89 - Step 5: Solve for x
x = 986,258,821,653.89/1,120,929.44 - Step 6: Final answer
x = 879,858.08
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1.5x scale
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.