Finding the Fourth Proportional to 1,095,780.77, 1,644,434.18 and 385,865.99
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Solution
The fourth proportional to 1,095,780.77, 1,644,434.18 and 385,865.99 is: 579,067.67
Step by Step Solution
- Step 1: Write the proportion equation
1,095,780.77 : 1,644,434.18 = 385,865.99 : x - Step 2: Convert to fraction form
1,095,780.77/1,644,434.18 = 385,865.99/x - Step 3: Cross multiply
1,095,780.77x = 1,644,434.18 × 385,865.99 - Step 4: Simplify right side
1,095,780.77x = 634,531,220,926.21 - Step 5: Solve for x
x = 634,531,220,926.21/1,095,780.77 - Step 6: Final answer
x = 579,067.67
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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.