Finding the Fourth Proportional to 1,004,876.40, 1,386,713.70 and 552,157.68
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Solution
The fourth proportional to 1,004,876.40, 1,386,713.70 and 552,157.68 is: 761,968.95
Step by Step Solution
- Step 1: Write the proportion equation
1,004,876.40 : 1,386,713.70 = 552,157.68 : x - Step 2: Convert to fraction form
1,004,876.40/1,386,713.70 = 552,157.68/x - Step 3: Cross multiply
1,004,876.40x = 1,386,713.70 × 552,157.68 - Step 4: Simplify right side
1,004,876.40x = 765,684,619,416.22 - Step 5: Solve for x
x = 765,684,619,416.22/1,004,876.40 - Step 6: Final answer
x = 761,968.95
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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.