Finding the Fourth Proportional to 1,321,412.93, 1,823,599.87 and 740,646.70
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Solution
The fourth proportional to 1,321,412.93, 1,823,599.87 and 740,646.70 is: 1,022,120.48
Step by Step Solution
- Step 1: Write the proportion equation
1,321,412.93 : 1,823,599.87 = 740,646.70 : x - Step 2: Convert to fraction form
1,321,412.93/1,823,599.87 = 740,646.70/x - Step 3: Cross multiply
1,321,412.93x = 1,823,599.87 × 740,646.70 - Step 4: Simplify right side
1,321,412.93x = 1,350,643,219,425.31 - Step 5: Solve for x
x = 1,350,643,219,425.31/1,321,412.93 - Step 6: Final answer
x = 1,022,120.48
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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.