Finding the Fourth Proportional to 1,224,604.16, 1,689,973.80 and 673,343.12
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Solution
The fourth proportional to 1,224,604.16, 1,689,973.80 and 673,343.12 is: 929,224.54
Step by Step Solution
- Step 1: Write the proportion equation
1,224,604.16 : 1,689,973.80 = 673,343.12 : x - Step 2: Convert to fraction form
1,224,604.16/1,689,973.80 = 673,343.12/x - Step 3: Cross multiply
1,224,604.16x = 1,689,973.80 × 673,343.12 - Step 4: Simplify right side
1,224,604.16x = 1,137,932,231,210.26 - Step 5: Solve for x
x = 1,137,932,231,210.26/1,224,604.16 - Step 6: Final answer
x = 929,224.54
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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.