Finding the Fourth Proportional to 1,348,610.73, 1,861,119.33 and 805,061.99
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Solution
The fourth proportional to 1,348,610.73, 1,861,119.33 and 805,061.99 is: 1,111,007.35
Step by Step Solution
- Step 1: Write the proportion equation
1,348,610.73 : 1,861,119.33 = 805,061.99 : x - Step 2: Convert to fraction form
1,348,610.73/1,861,119.33 = 805,061.99/x - Step 3: Cross multiply
1,348,610.73x = 1,861,119.33 × 805,061.99 - Step 4: Simplify right side
1,348,610.73x = 1,498,316,431,437.27 - Step 5: Solve for x
x = 1,498,316,431,437.27/1,348,610.73 - Step 6: Final answer
x = 1,111,007.35
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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.