Finding the Fourth Proportional to 1,145,379.42, 1,580,580.29 and 636,114.60
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Solution
The fourth proportional to 1,145,379.42, 1,580,580.29 and 636,114.60 is: 877,814.09
Step by Step Solution
- Step 1: Write the proportion equation
1,145,379.42 : 1,580,580.29 = 636,114.60 : x - Step 2: Convert to fraction form
1,145,379.42/1,580,580.29 = 636,114.60/x - Step 3: Cross multiply
1,145,379.42x = 1,580,580.29 × 636,114.60 - Step 4: Simplify right side
1,145,379.42x = 1,005,430,198,941.23 - Step 5: Solve for x
x = 1,005,430,198,941.23/1,145,379.42 - Step 6: Final answer
x = 877,814.09
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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.