Finding the Fourth Proportional to 1,271,465.07, 1,754,622.51 and 698,542.14
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Solution
The fourth proportional to 1,271,465.07, 1,754,622.51 and 698,542.14 is: 963,988.55
Step by Step Solution
- Step 1: Write the proportion equation
1,271,465.07 : 1,754,622.51 = 698,542.14 : x - Step 2: Convert to fraction form
1,271,465.07/1,754,622.51 = 698,542.14/x - Step 3: Cross multiply
1,271,465.07x = 1,754,622.51 × 698,542.14 - Step 4: Simplify right side
1,271,465.07x = 1,225,677,763,027.57 - Step 5: Solve for x
x = 1,225,677,763,027.57/1,271,465.07 - Step 6: Final answer
x = 963,988.55
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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.