Finding the Fourth Proportional to 1,340,244.08, 1,849,551.15 and 728,396.81
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Solution
The fourth proportional to 1,340,244.08, 1,849,551.15 and 728,396.81 is: 1,005,195.38
Step by Step Solution
- Step 1: Write the proportion equation
1,340,244.08 : 1,849,551.15 = 728,396.81 : x - Step 2: Convert to fraction form
1,340,244.08/1,849,551.15 = 728,396.81/x - Step 3: Cross multiply
1,340,244.08x = 1,849,551.15 × 728,396.81 - Step 4: Simplify right side
1,340,244.08x = 1,347,207,157,591.83 - Step 5: Solve for x
x = 1,347,207,157,591.83/1,340,244.08 - Step 6: Final answer
x = 1,005,195.38
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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.