Finding the Fourth Proportional to 1,265,013.77, 1,746,782.75 and 903,546.41
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Solution
The fourth proportional to 1,265,013.77, 1,746,782.75 and 903,546.41 is: 1,247,653.84
Step by Step Solution
- Step 1: Write the proportion equation
1,265,013.77 : 1,746,782.75 = 903,546.41 : x - Step 2: Convert to fraction form
1,265,013.77/1,746,782.75 = 903,546.41/x - Step 3: Cross multiply
1,265,013.77x = 1,746,782.75 × 903,546.41 - Step 4: Simplify right side
1,265,013.77x = 1,578,299,276,337.38 - Step 5: Solve for x
x = 1,578,299,276,337.38/1,265,013.77 - Step 6: Final answer
x = 1,247,653.84
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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.