Finding the Fourth Proportional to 1,145,059.68, 1,580,231.68 and 635,762.08
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Solution
The fourth proportional to 1,145,059.68, 1,580,231.68 and 635,762.08 is: 877,379.05
Step by Step Solution
- Step 1: Write the proportion equation
1,145,059.68 : 1,580,231.68 = 635,762.08 : x - Step 2: Convert to fraction form
1,145,059.68/1,580,231.68 = 635,762.08/x - Step 3: Cross multiply
1,145,059.68x = 1,580,231.68 × 635,762.08 - Step 4: Simplify right side
1,145,059.68x = 1,004,651,379,758.69 - Step 5: Solve for x
x = 1,004,651,379,758.69/1,145,059.68 - Step 6: Final answer
x = 877,379.05
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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.