Finding the Fourth Proportional to 1,403,995.88, 1,937,347.67 and 792,112.91
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Solution
The fourth proportional to 1,403,995.88, 1,937,347.67 and 792,112.91 is: 1,093,021.79
Step by Step Solution
- Step 1: Write the proportion equation
1,403,995.88 : 1,937,347.67 = 792,112.91 : x - Step 2: Convert to fraction form
1,403,995.88/1,937,347.67 = 792,112.91/x - Step 3: Cross multiply
1,403,995.88x = 1,937,347.67 × 792,112.91 - Step 4: Simplify right side
1,403,995.88x = 1,534,598,092,858.96 - Step 5: Solve for x
x = 1,534,598,092,858.96/1,403,995.88 - Step 6: Final answer
x = 1,093,021.79
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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.