Finding the Fourth Proportional to 1,128,134.76, 1,691,525.98 and 529,227.24
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Solution
The fourth proportional to 1,128,134.76, 1,691,525.98 and 529,227.24 is: 793,523.66
Step by Step Solution
- Step 1: Write the proportion equation
1,128,134.76 : 1,691,525.98 = 529,227.24 : x - Step 2: Convert to fraction form
1,128,134.76/1,691,525.98 = 529,227.24/x - Step 3: Cross multiply
1,128,134.76x = 1,691,525.98 × 529,227.24 - Step 4: Simplify right side
1,128,134.76x = 895,201,625,783.70 - Step 5: Solve for x
x = 895,201,625,783.70/1,128,134.76 - Step 6: Final answer
x = 793,523.66
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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.