Finding the Fourth Proportional to 1,018,302.99, 1,405,101.91 and 588,500.12
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Solution
The fourth proportional to 1,018,302.99, 1,405,101.91 and 588,500.12 is: 812,039.88
Step by Step Solution
- Step 1: Write the proportion equation
1,018,302.99 : 1,405,101.91 = 588,500.12 : x - Step 2: Convert to fraction form
1,018,302.99/1,405,101.91 = 588,500.12/x - Step 3: Cross multiply
1,018,302.99x = 1,405,101.91 × 588,500.12 - Step 4: Simplify right side
1,018,302.99x = 826,902,642,647.23 - Step 5: Solve for x
x = 826,902,642,647.23/1,018,302.99 - Step 6: Final answer
x = 812,039.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.