Finding the Fourth Proportional to 1,351,886.97, 1,865,606.36 and 740,040.11
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Solution
The fourth proportional to 1,351,886.97, 1,865,606.36 and 740,040.11 is: 1,021,256.62
Step by Step Solution
- Step 1: Write the proportion equation
1,351,886.97 : 1,865,606.36 = 740,040.11 : x - Step 2: Convert to fraction form
1,351,886.97/1,865,606.36 = 740,040.11/x - Step 3: Cross multiply
1,351,886.97x = 1,865,606.36 × 740,040.11 - Step 4: Simplify right side
1,351,886.97x = 1,380,623,522,842.87 - Step 5: Solve for x
x = 1,380,623,522,842.87/1,351,886.97 - Step 6: Final answer
x = 1,021,256.62
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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.