Finding the Fourth Proportional to 1,120,918.33, 1,546,901.34 and 637,552.99
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Solution
The fourth proportional to 1,120,918.33, 1,546,901.34 and 637,552.99 is: 879,842.49
Step by Step Solution
- Step 1: Write the proportion equation
1,120,918.33 : 1,546,901.34 = 637,552.99 : x - Step 2: Convert to fraction form
1,120,918.33/1,546,901.34 = 637,552.99/x - Step 3: Cross multiply
1,120,918.33x = 1,546,901.34 × 637,552.99 - Step 4: Simplify right side
1,120,918.33x = 986,231,574,552.01 - Step 5: Solve for x
x = 986,231,574,552.01/1,120,918.33 - Step 6: Final answer
x = 879,842.49
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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.