Finding the Fourth Proportional to 1,270,202.68, 1,752,857.70 and 689,413.35
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Solution
The fourth proportional to 1,270,202.68, 1,752,857.70 and 689,413.35 is: 951,378.48
Step by Step Solution
- Step 1: Write the proportion equation
1,270,202.68 : 1,752,857.70 = 689,413.35 : x - Step 2: Convert to fraction form
1,270,202.68/1,752,857.70 = 689,413.35/x - Step 3: Cross multiply
1,270,202.68x = 1,752,857.70 × 689,413.35 - Step 4: Simplify right side
1,270,202.68x = 1,208,443,499,030.30 - Step 5: Solve for x
x = 1,208,443,499,030.30/1,270,202.68 - Step 6: Final answer
x = 951,378.48
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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.