Finding the Fourth Proportional to 1,072,943.33, 1,480,658.87 and 589,519.13
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Solution
The fourth proportional to 1,072,943.33, 1,480,658.87 and 589,519.13 is: 813,534.79
Step by Step Solution
- Step 1: Write the proportion equation
1,072,943.33 : 1,480,658.87 = 589,519.13 : x - Step 2: Convert to fraction form
1,072,943.33/1,480,658.87 = 589,519.13/x - Step 3: Cross multiply
1,072,943.33x = 1,480,658.87 × 589,519.13 - Step 4: Simplify right side
1,072,943.33x = 872,876,722,939.69 - Step 5: Solve for x
x = 872,876,722,939.69/1,072,943.33 - Step 6: Final answer
x = 813,534.79
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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.