Finding the Fourth Proportional to 1,291,598.92, 1,937,553.90 and 427,063.24
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Solution
The fourth proportional to 1,291,598.92, 1,937,553.90 and 427,063.24 is: 640,646.28
Step by Step Solution
- Step 1: Write the proportion equation
1,291,598.92 : 1,937,553.90 = 427,063.24 : x - Step 2: Convert to fraction form
1,291,598.92/1,937,553.90 = 427,063.24/x - Step 3: Cross multiply
1,291,598.92x = 1,937,553.90 × 427,063.24 - Step 4: Simplify right side
1,291,598.92x = 827,458,046,208.64 - Step 5: Solve for x
x = 827,458,046,208.64/1,291,598.92 - Step 6: Final answer
x = 640,646.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.