Finding the Fourth Proportional to 1,006,747.63, 1,389,311.33 and 554,038.63
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Solution
The fourth proportional to 1,006,747.63, 1,389,311.33 and 554,038.63 is: 764,573.09
Step by Step Solution
- Step 1: Write the proportion equation
1,006,747.63 : 1,389,311.33 = 554,038.63 : x - Step 2: Convert to fraction form
1,006,747.63/1,389,311.33 = 554,038.63/x - Step 3: Cross multiply
1,006,747.63x = 1,389,311.33 × 554,038.63 - Step 4: Simplify right side
1,006,747.63x = 769,732,139,673.21 - Step 5: Solve for x
x = 769,732,139,673.21/1,006,747.63 - Step 6: Final answer
x = 764,573.09
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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.