Finding the Fourth Proportional to 1,135,991.28, 1,567,673.28 and 626,693.52
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Solution
The fourth proportional to 1,135,991.28, 1,567,673.28 and 626,693.52 is: 864,839.99
Step by Step Solution
- Step 1: Write the proportion equation
1,135,991.28 : 1,567,673.28 = 626,693.52 : x - Step 2: Convert to fraction form
1,135,991.28/1,567,673.28 = 626,693.52/x - Step 3: Cross multiply
1,135,991.28x = 1,567,673.28 × 626,693.52 - Step 4: Simplify right side
1,135,991.28x = 982,450,686,053.15 - Step 5: Solve for x
x = 982,450,686,053.15/1,135,991.28 - Step 6: Final answer
x = 864,839.99
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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.