Finding the Fourth Proportional to 1,049,700.63, 1,449,284.09 and 807,555.99
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Solution
The fourth proportional to 1,049,700.63, 1,449,284.09 and 807,555.99 is: 1,114,963.65
Step by Step Solution
- Step 1: Write the proportion equation
1,049,700.63 : 1,449,284.09 = 807,555.99 : x - Step 2: Convert to fraction form
1,049,700.63/1,449,284.09 = 807,555.99/x - Step 3: Cross multiply
1,049,700.63x = 1,449,284.09 × 807,555.99 - Step 4: Simplify right side
1,049,700.63x = 1,170,378,044,053.42 - Step 5: Solve for x
x = 1,170,378,044,053.42/1,049,700.63 - Step 6: Final answer
x = 1,114,963.65
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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.