Finding the Fourth Proportional to 1,036,992.17, 1,555,489.20 and 289,038.17
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Solution
The fourth proportional to 1,036,992.17, 1,555,489.20 and 289,038.17 is: 433,557.52
Step by Step Solution
- Step 1: Write the proportion equation
1,036,992.17 : 1,555,489.20 = 289,038.17 : x - Step 2: Convert to fraction form
1,036,992.17/1,555,489.20 = 289,038.17/x - Step 3: Cross multiply
1,036,992.17x = 1,555,489.20 × 289,038.17 - Step 4: Simplify right side
1,036,992.17x = 449,595,751,822.76 - Step 5: Solve for x
x = 449,595,751,822.76/1,036,992.17 - Step 6: Final answer
x = 433,557.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.