Finding the Fourth Proportional to 1,163,622.28, 1,605,995.94 and 673,520.80
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Solution
The fourth proportional to 1,163,622.28, 1,605,995.94 and 673,520.80 is: 929,572.84
Step by Step Solution
- Step 1: Write the proportion equation
1,163,622.28 : 1,605,995.94 = 673,520.80 : x - Step 2: Convert to fraction form
1,163,622.28/1,605,995.94 = 673,520.80/x - Step 3: Cross multiply
1,163,622.28x = 1,605,995.94 × 673,520.80 - Step 4: Simplify right side
1,163,622.28x = 1,081,671,670,305.55 - Step 5: Solve for x
x = 1,081,671,670,305.55/1,163,622.28 - Step 6: Final answer
x = 929,572.84
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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.