Finding the Fourth Proportional to 1,270,738.08, 1,753,605.93 and 689,948.43
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Solution
The fourth proportional to 1,270,738.08, 1,753,605.93 and 689,948.43 is: 952,121.98
Step by Step Solution
- Step 1: Write the proportion equation
1,270,738.08 : 1,753,605.93 = 689,948.43 : x - Step 2: Convert to fraction form
1,270,738.08/1,753,605.93 = 689,948.43/x - Step 3: Cross multiply
1,270,738.08x = 1,753,605.93 × 689,948.43 - Step 4: Simplify right side
1,270,738.08x = 1,209,897,658,242.19 - Step 5: Solve for x
x = 1,209,897,658,242.19/1,270,738.08 - Step 6: Final answer
x = 952,121.98
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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.