Finding the Fourth Proportional to 1,270,985.26, 1,753,952.84 and 690,203.38
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Solution
The fourth proportional to 1,270,985.26, 1,753,952.84 and 690,203.38 is: 952,476.96
Step by Step Solution
- Step 1: Write the proportion equation
1,270,985.26 : 1,753,952.84 = 690,203.38 : x - Step 2: Convert to fraction form
1,270,985.26/1,753,952.84 = 690,203.38/x - Step 3: Cross multiply
1,270,985.26x = 1,753,952.84 × 690,203.38 - Step 4: Simplify right side
1,270,985.26x = 1,210,584,178,528.60 - Step 5: Solve for x
x = 1,210,584,178,528.60/1,270,985.26 - Step 6: Final answer
x = 952,476.96
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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.