Finding the Fourth Proportional to 1,270,686.64, 1,753,604.76 and 761,378.08
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Solution
The fourth proportional to 1,270,686.64, 1,753,604.76 and 761,378.08 is: 1,050,736.02
Step by Step Solution
- Step 1: Write the proportion equation
1,270,686.64 : 1,753,604.76 = 761,378.08 : x - Step 2: Convert to fraction form
1,270,686.64/1,753,604.76 = 761,378.08/x - Step 3: Cross multiply
1,270,686.64x = 1,753,604.76 × 761,378.08 - Step 4: Simplify right side
1,270,686.64x = 1,335,156,225,247.66 - Step 5: Solve for x
x = 1,335,156,225,247.66/1,270,686.64 - Step 6: Final answer
x = 1,050,736.02
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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.