Finding the Fourth Proportional to 1,251,777.24, 1,727,453.52 and 678,817.26
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Solution
The fourth proportional to 1,251,777.24, 1,727,453.52 and 678,817.26 is: 936,768.32
Step by Step Solution
- Step 1: Write the proportion equation
1,251,777.24 : 1,727,453.52 = 678,817.26 : x - Step 2: Convert to fraction form
1,251,777.24/1,727,453.52 = 678,817.26/x - Step 3: Cross multiply
1,251,777.24x = 1,727,453.52 × 678,817.26 - Step 4: Simplify right side
1,251,777.24x = 1,172,625,265,223.76 - Step 5: Solve for x
x = 1,172,625,265,223.76/1,251,777.24 - Step 6: Final answer
x = 936,768.32
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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.