Finding the Fourth Proportional to 1,018,744.24, 1,528,167.11 and 387,706.96
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Solution
The fourth proportional to 1,018,744.24, 1,528,167.11 and 387,706.96 is: 581,579.75
Step by Step Solution
- Step 1: Write the proportion equation
1,018,744.24 : 1,528,167.11 = 387,706.96 : x - Step 2: Convert to fraction form
1,018,744.24/1,528,167.11 = 387,706.96/x - Step 3: Cross multiply
1,018,744.24x = 1,528,167.11 × 387,706.96 - Step 4: Simplify right side
1,018,744.24x = 592,481,024,590.09 - Step 5: Solve for x
x = 592,481,024,590.09/1,018,744.24 - Step 6: Final answer
x = 581,579.75
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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.