Finding the Fourth Proportional to 1,340,242.08, 1,849,548.39 and 728,394.81
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Solution
The fourth proportional to 1,340,242.08, 1,849,548.39 and 728,394.81 is: 1,005,192.62
Step by Step Solution
- Step 1: Write the proportion equation
1,340,242.08 : 1,849,548.39 = 728,394.81 : x - Step 2: Convert to fraction form
1,340,242.08/1,849,548.39 = 728,394.81/x - Step 3: Cross multiply
1,340,242.08x = 1,849,548.39 × 728,394.81 - Step 4: Simplify right side
1,340,242.08x = 1,347,201,448,119.86 - Step 5: Solve for x
x = 1,347,201,448,119.86/1,340,242.08 - Step 6: Final answer
x = 1,005,192.62
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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.