Finding the Fourth Proportional to 1,271,449.64, 1,754,625.35 and 698,511.53
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Solution
The fourth proportional to 1,271,449.64, 1,754,625.35 and 698,511.53 is: 963,959.56
Step by Step Solution
- Step 1: Write the proportion equation
1,271,449.64 : 1,754,625.35 = 698,511.53 : x - Step 2: Convert to fraction form
1,271,449.64/1,754,625.35 = 698,511.53/x - Step 3: Cross multiply
1,271,449.64x = 1,754,625.35 × 698,511.53 - Step 4: Simplify right side
1,271,449.64x = 1,225,626,043,938.13 - Step 5: Solve for x
x = 1,225,626,043,938.13/1,271,449.64 - Step 6: Final answer
x = 963,959.56
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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.