Finding the Fourth Proportional to 1,049,134.99, 1,448,329.13 and 687,113.59
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Solution
The fourth proportional to 1,049,134.99, 1,448,329.13 and 687,113.59 is: 948,559.18
Step by Step Solution
- Step 1: Write the proportion equation
1,049,134.99 : 1,448,329.13 = 687,113.59 : x - Step 2: Convert to fraction form
1,049,134.99/1,448,329.13 = 687,113.59/x - Step 3: Cross multiply
1,049,134.99x = 1,448,329.13 × 687,113.59 - Step 4: Simplify right side
1,049,134.99x = 995,166,628,015.88 - Step 5: Solve for x
x = 995,166,628,015.88/1,049,134.99 - Step 6: Final answer
x = 948,559.18
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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.