Finding the Fourth Proportional to 1,231,480.08, 1,699,471.36 and 687,597.48
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Solution
The fourth proportional to 1,231,480.08, 1,699,471.36 and 687,597.48 is: 948,900.63
Step by Step Solution
- Step 1: Write the proportion equation
1,231,480.08 : 1,699,471.36 = 687,597.48 : x - Step 2: Convert to fraction form
1,231,480.08/1,699,471.36 = 687,597.48/x - Step 3: Cross multiply
1,231,480.08x = 1,699,471.36 × 687,597.48 - Step 4: Simplify right side
1,231,480.08x = 1,168,552,224,468.17 - Step 5: Solve for x
x = 1,168,552,224,468.17/1,231,480.08 - Step 6: Final answer
x = 948,900.63
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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.