Finding the Fourth Proportional to 1,129,950.81, 1,694,929.05 and 277,026.28
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Solution
The fourth proportional to 1,129,950.81, 1,694,929.05 and 277,026.28 is: 415,540.11
Step by Step Solution
- Step 1: Write the proportion equation
1,129,950.81 : 1,694,929.05 = 277,026.28 : x - Step 2: Convert to fraction form
1,129,950.81/1,694,929.05 = 277,026.28/x - Step 3: Cross multiply
1,129,950.81x = 1,694,929.05 × 277,026.28 - Step 4: Simplify right side
1,129,950.81x = 469,539,885,348.11 - Step 5: Solve for x
x = 469,539,885,348.11/1,129,950.81 - Step 6: Final answer
x = 415,540.11
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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.