Finding the Fourth Proportional to 1,271,339.18, 1,754,439.99 and 690,556.36
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Solution
The fourth proportional to 1,271,339.18, 1,754,439.99 and 690,556.36 is: 952,963.38
Step by Step Solution
- Step 1: Write the proportion equation
1,271,339.18 : 1,754,439.99 = 690,556.36 : x - Step 2: Convert to fraction form
1,271,339.18/1,754,439.99 = 690,556.36/x - Step 3: Cross multiply
1,271,339.18x = 1,754,439.99 × 690,556.36 - Step 4: Simplify right side
1,271,339.18x = 1,211,539,684,560.64 - Step 5: Solve for x
x = 1,211,539,684,560.64/1,271,339.18 - Step 6: Final answer
x = 952,963.38
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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.