Finding the Fourth Proportional to 1,013,911.29, 1,399,199.33 and 555,026.14
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Solution
The fourth proportional to 1,013,911.29, 1,399,199.33 and 555,026.14 is: 765,937.03
Step by Step Solution
- Step 1: Write the proportion equation
1,013,911.29 : 1,399,199.33 = 555,026.14 : x - Step 2: Convert to fraction form
1,013,911.29/1,399,199.33 = 555,026.14/x - Step 3: Cross multiply
1,013,911.29x = 1,399,199.33 × 555,026.14 - Step 4: Simplify right side
1,013,911.29x = 776,592,206,357.05 - Step 5: Solve for x
x = 776,592,206,357.05/1,013,911.29 - Step 6: Final answer
x = 765,937.03
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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.