Finding the Fourth Proportional to 1,372,602.36, 2,059,175.76 and 425,932.68
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Solution
The fourth proportional to 1,372,602.36, 2,059,175.76 and 425,932.68 is: 638,983.49
Step by Step Solution
- Step 1: Write the proportion equation
1,372,602.36 : 2,059,175.76 = 425,932.68 : x - Step 2: Convert to fraction form
1,372,602.36/2,059,175.76 = 425,932.68/x - Step 3: Cross multiply
1,372,602.36x = 2,059,175.76 × 425,932.68 - Step 4: Simplify right side
1,372,602.36x = 877,070,250,047.84 - Step 5: Solve for x
x = 877,070,250,047.84/1,372,602.36 - Step 6: Final answer
x = 638,983.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.