Finding the Fourth Proportional to 1,207,982.16, 1,812,323.16 and 497,644.56
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Solution
The fourth proportional to 1,207,982.16, 1,812,323.16 and 497,644.56 is: 746,610.99
Step by Step Solution
- Step 1: Write the proportion equation
1,207,982.16 : 1,812,323.16 = 497,644.56 : x - Step 2: Convert to fraction form
1,207,982.16/1,812,323.16 = 497,644.56/x - Step 3: Cross multiply
1,207,982.16x = 1,812,323.16 × 497,644.56 - Step 4: Simplify right side
1,207,982.16x = 901,892,761,536.01 - Step 5: Solve for x
x = 901,892,761,536.01/1,207,982.16 - Step 6: Final answer
x = 746,610.99
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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.