Finding the Fourth Proportional to 1,134,026.13, 1,562,802.84 and 811,175.70
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Solution
The fourth proportional to 1,134,026.13, 1,562,802.84 and 811,175.70 is: 1,117,882.26
Step by Step Solution
- Step 1: Write the proportion equation
1,134,026.13 : 1,562,802.84 = 811,175.70 : x - Step 2: Convert to fraction form
1,134,026.13/1,562,802.84 = 811,175.70/x - Step 3: Cross multiply
1,134,026.13x = 1,562,802.84 × 811,175.70 - Step 4: Simplify right side
1,134,026.13x = 1,267,707,687,698.99 - Step 5: Solve for x
x = 1,267,707,687,698.99/1,134,026.13 - Step 6: Final answer
x = 1,117,882.26
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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.