Finding the Fourth Proportional to 1,135,302.12, 1,566,712.26 and 626,013
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Solution
The fourth proportional to 1,135,302.12, 1,566,712.26 and 626,013 is: 863,895.37
Step by Step Solution
- Step 1: Write the proportion equation
1,135,302.12 : 1,566,712.26 = 626,013 : x - Step 2: Convert to fraction form
1,135,302.12/1,566,712.26 = 626,013/x - Step 3: Cross multiply
1,135,302.12x = 1,566,712.26 × 626,013 - Step 4: Simplify right side
1,135,302.12x = 980,782,242,019.38 - Step 5: Solve for x
x = 980,782,242,019.38/1,135,302.12 - Step 6: Final answer
x = 863,895.37
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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.