Finding the Fourth Proportional to 1,251,476.76, 1,726,908.34 and 768,062.28
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Solution
The fourth proportional to 1,251,476.76, 1,726,908.34 and 768,062.28 is: 1,059,846.41
Step by Step Solution
- Step 1: Write the proportion equation
1,251,476.76 : 1,726,908.34 = 768,062.28 : x - Step 2: Convert to fraction form
1,251,476.76/1,726,908.34 = 768,062.28/x - Step 3: Cross multiply
1,251,476.76x = 1,726,908.34 × 768,062.28 - Step 4: Simplify right side
1,251,476.76x = 1,326,373,156,971.42 - Step 5: Solve for x
x = 1,326,373,156,971.42/1,251,476.76 - Step 6: Final answer
x = 1,059,846.41
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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.