Finding the Fourth Proportional to 1,101,160.98, 1,519,809.62 and 718,523.46
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Solution
The fourth proportional to 1,101,160.98, 1,519,809.62 and 718,523.46 is: 991,697.75
Step by Step Solution
- Step 1: Write the proportion equation
1,101,160.98 : 1,519,809.62 = 718,523.46 : x - Step 2: Convert to fraction form
1,101,160.98/1,519,809.62 = 718,523.46/x - Step 3: Cross multiply
1,101,160.98x = 1,519,809.62 × 718,523.46 - Step 4: Simplify right side
1,101,160.98x = 1,092,018,863,111.07 - Step 5: Solve for x
x = 1,092,018,863,111.07/1,101,160.98 - Step 6: Final answer
x = 991,697.75
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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.