Finding the Fourth Proportional to 1,174,102.20, 1,621,069.74 and 868,246.20
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Solution
The fourth proportional to 1,174,102.20, 1,621,069.74 and 868,246.20 is: 1,198,777.79
Step by Step Solution
- Step 1: Write the proportion equation
1,174,102.20 : 1,621,069.74 = 868,246.20 : x - Step 2: Convert to fraction form
1,174,102.20/1,621,069.74 = 868,246.20/x - Step 3: Cross multiply
1,174,102.20x = 1,621,069.74 × 868,246.20 - Step 4: Simplify right side
1,174,102.20x = 1,407,487,641,689.99 - Step 5: Solve for x
x = 1,407,487,641,689.99/1,174,102.20 - Step 6: Final answer
x = 1,198,777.79
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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.