Finding the Fourth Proportional to 864,110.80, 1,296,166.20 and 801,125.20
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Solution
The fourth proportional to 864,110.80, 1,296,166.20 and 801,125.20 is: 1,201,687.80
Step by Step Solution
- Step 1: Write the proportion equation
864,110.80 : 1,296,166.20 = 801,125.20 : x - Step 2: Convert to fraction form
864,110.80/1,296,166.20 = 801,125.20/x - Step 3: Cross multiply
864,110.80x = 1,296,166.20 × 801,125.20 - Step 4: Simplify right side
864,110.80x = 1,038,391,406,208.24 - Step 5: Solve for x
x = 1,038,391,406,208.24/864,110.80 - Step 6: Final answer
x = 1,201,687.80
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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.