Finding the Fourth Proportional to 1,125,922.80, 1,553,715.88 and 616,526.80
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Solution
The fourth proportional to 1,125,922.80, 1,553,715.88 and 616,526.80 is: 850,775.45
Step by Step Solution
- Step 1: Write the proportion equation
1,125,922.80 : 1,553,715.88 = 616,526.80 : x - Step 2: Convert to fraction form
1,125,922.80/1,553,715.88 = 616,526.80/x - Step 3: Cross multiply
1,125,922.80x = 1,553,715.88 × 616,526.80 - Step 4: Simplify right side
1,125,922.80x = 957,907,479,605.58 - Step 5: Solve for x
x = 957,907,479,605.58/1,125,922.80 - Step 6: Final answer
x = 850,775.45
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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.