Finding the Fourth Proportional to 1,379,588.42, 1,903,844.67 and 767,766.97
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Solution
The fourth proportional to 1,379,588.42, 1,903,844.67 and 767,766.97 is: 1,059,525.45
Step by Step Solution
- Step 1: Write the proportion equation
1,379,588.42 : 1,903,844.67 = 767,766.97 : x - Step 2: Convert to fraction form
1,379,588.42/1,903,844.67 = 767,766.97/x - Step 3: Cross multiply
1,379,588.42x = 1,903,844.67 × 767,766.97 - Step 4: Simplify right side
1,379,588.42x = 1,461,709,046,185.02 - Step 5: Solve for x
x = 1,461,709,046,185.02/1,379,588.42 - Step 6: Final answer
x = 1,059,525.45
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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.