Finding the Fourth Proportional to 1,040,047.07, 1,560,128.93 and 292,034.75
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Solution
The fourth proportional to 1,040,047.07, 1,560,128.93 and 292,034.75 is: 438,068.50
Step by Step Solution
- Step 1: Write the proportion equation
1,040,047.07 : 1,560,128.93 = 292,034.75 : x - Step 2: Convert to fraction form
1,040,047.07/1,560,128.93 = 292,034.75/x - Step 3: Cross multiply
1,040,047.07x = 1,560,128.93 × 292,034.75 - Step 4: Simplify right side
1,040,047.07x = 455,611,860,580.14 - Step 5: Solve for x
x = 455,611,860,580.14/1,040,047.07 - Step 6: Final answer
x = 438,068.50
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1.5x scale
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.