Finding the Fourth Proportional to 1,072,028.24, 1,479,418.44 and 588,638.96
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Solution
The fourth proportional to 1,072,028.24, 1,479,418.44 and 588,638.96 is: 812,332.45
Step by Step Solution
- Step 1: Write the proportion equation
1,072,028.24 : 1,479,418.44 = 588,638.96 : x - Step 2: Convert to fraction form
1,072,028.24/1,479,418.44 = 588,638.96/x - Step 3: Cross multiply
1,072,028.24x = 1,479,418.44 × 588,638.96 - Step 4: Simplify right side
1,072,028.24x = 870,843,331,926.42 - Step 5: Solve for x
x = 870,843,331,926.42/1,072,028.24 - Step 6: Final answer
x = 812,332.45
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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.