Finding the Fourth Proportional to 1,087,812.03, 1,631,471.99 and 413,652.93
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Solution
The fourth proportional to 1,087,812.03, 1,631,471.99 and 413,652.93 is: 620,385.83
Step by Step Solution
- Step 1: Write the proportion equation
1,087,812.03 : 1,631,471.99 = 413,652.93 : x - Step 2: Convert to fraction form
1,087,812.03/1,631,471.99 = 413,652.93/x - Step 3: Cross multiply
1,087,812.03x = 1,631,471.99 × 413,652.93 - Step 4: Simplify right side
1,087,812.03x = 674,863,166,808.17 - Step 5: Solve for x
x = 674,863,166,808.17/1,087,812.03 - Step 6: Final answer
x = 620,385.83
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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.