Finding the Fourth Proportional to 1,296,452.74, 1,789,094.54 and 752,639.08
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Solution
The fourth proportional to 1,296,452.74, 1,789,094.54 and 752,639.08 is: 1,038,635.99
Step by Step Solution
- Step 1: Write the proportion equation
1,296,452.74 : 1,789,094.54 = 752,639.08 : x - Step 2: Convert to fraction form
1,296,452.74/1,789,094.54 = 752,639.08/x - Step 3: Cross multiply
1,296,452.74x = 1,789,094.54 × 752,639.08 - Step 4: Simplify right side
1,296,452.74x = 1,346,542,468,618.62 - Step 5: Solve for x
x = 1,346,542,468,618.62/1,296,452.74 - Step 6: Final answer
x = 1,038,635.99
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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.