Finding the Fourth Proportional to 1,117,839.99, 1,542,820.37 and 658,927.31
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Solution
The fourth proportional to 1,117,839.99, 1,542,820.37 and 658,927.31 is: 909,438.27
Step by Step Solution
- Step 1: Write the proportion equation
1,117,839.99 : 1,542,820.37 = 658,927.31 : x - Step 2: Convert to fraction form
1,117,839.99/1,542,820.37 = 658,927.31/x - Step 3: Cross multiply
1,117,839.99x = 1,542,820.37 × 658,927.31 - Step 4: Simplify right side
1,117,839.99x = 1,016,606,465,208.57 - Step 5: Solve for x
x = 1,016,606,465,208.57/1,117,839.99 - Step 6: Final answer
x = 909,438.27
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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.