Finding the Fourth Proportional to 1,170,532.20, 1,755,938.99 and 412,216.95
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Solution
The fourth proportional to 1,170,532.20, 1,755,938.99 and 412,216.95 is: 618,374.97
Step by Step Solution
- Step 1: Write the proportion equation
1,170,532.20 : 1,755,938.99 = 412,216.95 : x - Step 2: Convert to fraction form
1,170,532.20/1,755,938.99 = 412,216.95/x - Step 3: Cross multiply
1,170,532.20x = 1,755,938.99 × 412,216.95 - Step 4: Simplify right side
1,170,532.20x = 723,827,812,582.04 - Step 5: Solve for x
x = 723,827,812,582.04/1,170,532.20 - Step 6: Final answer
x = 618,374.97
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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.