Finding the Fourth Proportional to 1,127,678.11, 1,692,960.49 and 968,770.69
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Solution
The fourth proportional to 1,127,678.11, 1,692,960.49 and 968,770.69 is: 1,454,395.97
Step by Step Solution
- Step 1: Write the proportion equation
1,127,678.11 : 1,692,960.49 = 968,770.69 : x - Step 2: Convert to fraction form
1,127,678.11/1,692,960.49 = 968,770.69/x - Step 3: Cross multiply
1,127,678.11x = 1,692,960.49 × 968,770.69 - Step 4: Simplify right side
1,127,678.11x = 1,640,090,502,040.04 - Step 5: Solve for x
x = 1,640,090,502,040.04/1,127,678.11 - Step 6: Final answer
x = 1,454,395.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.