Finding the Fourth Proportional to 1,438,640.87, 1,985,320.53 and 794,056.64
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Solution
The fourth proportional to 1,438,640.87, 1,985,320.53 and 794,056.64 is: 1,095,796.02
Step by Step Solution
- Step 1: Write the proportion equation
1,438,640.87 : 1,985,320.53 = 794,056.64 : x - Step 2: Convert to fraction form
1,438,640.87/1,985,320.53 = 794,056.64/x - Step 3: Cross multiply
1,438,640.87x = 1,985,320.53 × 794,056.64 - Step 4: Simplify right side
1,438,640.87x = 1,576,456,939,448.22 - Step 5: Solve for x
x = 1,576,456,939,448.22/1,438,640.87 - Step 6: Final answer
x = 1,095,796.02
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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.