Finding the Fourth Proportional to 1,198,287.90, 1,653,633.36 and 714,873.42
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Solution
The fourth proportional to 1,198,287.90, 1,653,633.36 and 714,873.42 is: 986,522.97
Step by Step Solution
- Step 1: Write the proportion equation
1,198,287.90 : 1,653,633.36 = 714,873.42 : x - Step 2: Convert to fraction form
1,198,287.90/1,653,633.36 = 714,873.42/x - Step 3: Cross multiply
1,198,287.90x = 1,653,633.36 × 714,873.42 - Step 4: Simplify right side
1,198,287.90x = 1,182,138,535,489.29 - Step 5: Solve for x
x = 1,182,138,535,489.29/1,198,287.90 - Step 6: Final answer
x = 986,522.97
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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.