Finding the Fourth Proportional to 987,062.81, 1,481,184.09 and 906,756.17
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Solution
The fourth proportional to 987,062.81, 1,481,184.09 and 906,756.17 is: 1,360,676.14
Step by Step Solution
- Step 1: Write the proportion equation
987,062.81 : 1,481,184.09 = 906,756.17 : x - Step 2: Convert to fraction form
987,062.81/1,481,184.09 = 906,756.17/x - Step 3: Cross multiply
987,062.81x = 1,481,184.09 × 906,756.17 - Step 4: Simplify right side
987,062.81x = 1,343,072,805,107.42 - Step 5: Solve for x
x = 1,343,072,805,107.42/987,062.81 - Step 6: Final answer
x = 1,360,676.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.