Finding the Fourth Proportional to 1,321,816.74, 1,824,102.63 and 748,966.11
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Solution
The fourth proportional to 1,321,816.74, 1,824,102.63 and 748,966.11 is: 1,033,570.70
Step by Step Solution
- Step 1: Write the proportion equation
1,321,816.74 : 1,824,102.63 = 748,966.11 : x - Step 2: Convert to fraction form
1,321,816.74/1,824,102.63 = 748,966.11/x - Step 3: Cross multiply
1,321,816.74x = 1,824,102.63 × 748,966.11 - Step 4: Simplify right side
1,321,816.74x = 1,366,191,051,031.87 - Step 5: Solve for x
x = 1,366,191,051,031.87/1,321,816.74 - Step 6: Final answer
x = 1,033,570.70
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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.