Finding the Fourth Proportional to 1,271,115.24, 1,754,153.46 and 698,168.76
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Solution
The fourth proportional to 1,271,115.24, 1,754,153.46 and 698,168.76 is: 963,480.81
Step by Step Solution
- Step 1: Write the proportion equation
1,271,115.24 : 1,754,153.46 = 698,168.76 : x - Step 2: Convert to fraction form
1,271,115.24/1,754,153.46 = 698,168.76/x - Step 3: Cross multiply
1,271,115.24x = 1,754,153.46 × 698,168.76 - Step 4: Simplify right side
1,271,115.24x = 1,224,695,146,017.91 - Step 5: Solve for x
x = 1,224,695,146,017.91/1,271,115.24 - Step 6: Final answer
x = 963,480.81
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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.