Finding the Fourth Proportional to 1,059,228.18, 1,588,474.11 and 451,991.99
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Solution
The fourth proportional to 1,059,228.18, 1,588,474.11 and 451,991.99 is: 677,830.88
Step by Step Solution
- Step 1: Write the proportion equation
1,059,228.18 : 1,588,474.11 = 451,991.99 : x - Step 2: Convert to fraction form
1,059,228.18/1,588,474.11 = 451,991.99/x - Step 3: Cross multiply
1,059,228.18x = 1,588,474.11 × 451,991.99 - Step 4: Simplify right side
1,059,228.18x = 717,977,566,100.01 - Step 5: Solve for x
x = 717,977,566,100.01/1,059,228.18 - Step 6: Final answer
x = 677,830.88
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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.