Finding the Fourth Proportional to 1,246,748.44, 1,720,799.04 and 763,579.84
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Solution
The fourth proportional to 1,246,748.44, 1,720,799.04 and 763,579.84 is: 1,053,915.46
Step by Step Solution
- Step 1: Write the proportion equation
1,246,748.44 : 1,720,799.04 = 763,579.84 : x - Step 2: Convert to fraction form
1,246,748.44/1,720,799.04 = 763,579.84/x - Step 3: Cross multiply
1,246,748.44x = 1,720,799.04 × 763,579.84 - Step 4: Simplify right side
1,246,748.44x = 1,313,967,455,635.35 - Step 5: Solve for x
x = 1,313,967,455,635.35/1,246,748.44 - Step 6: Final answer
x = 1,053,915.46
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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.