Finding the Fourth Proportional to 1,348,610.99, 1,861,119.68 and 805,062.24
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Solution
The fourth proportional to 1,348,610.99, 1,861,119.68 and 805,062.24 is: 1,111,007.69
Step by Step Solution
- Step 1: Write the proportion equation
1,348,610.99 : 1,861,119.68 = 805,062.24 : x - Step 2: Convert to fraction form
1,348,610.99/1,861,119.68 = 805,062.24/x - Step 3: Cross multiply
1,348,610.99x = 1,861,119.68 × 805,062.24 - Step 4: Simplify right side
1,348,610.99x = 1,498,317,174,463.57 - Step 5: Solve for x
x = 1,498,317,174,463.57/1,348,610.99 - Step 6: Final answer
x = 1,111,007.69
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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.