Finding the Fourth Proportional to 1,125,187.12, 1,552,801.08 and 641,830.96
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Solution
The fourth proportional to 1,125,187.12, 1,552,801.08 and 641,830.96 is: 885,751.17
Step by Step Solution
- Step 1: Write the proportion equation
1,125,187.12 : 1,552,801.08 = 641,830.96 : x - Step 2: Convert to fraction form
1,125,187.12/1,552,801.08 = 641,830.96/x - Step 3: Cross multiply
1,125,187.12x = 1,552,801.08 × 641,830.96 - Step 4: Simplify right side
1,125,187.12x = 996,635,807,865.44 - Step 5: Solve for x
x = 996,635,807,865.44/1,125,187.12 - Step 6: Final answer
x = 885,751.17
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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.