Finding the Fourth Proportional to 1,271,253.98, 1,754,340.90 and 698,306.96
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Solution
The fourth proportional to 1,271,253.98, 1,754,340.90 and 698,306.96 is: 963,669.32
Step by Step Solution
- Step 1: Write the proportion equation
1,271,253.98 : 1,754,340.90 = 698,306.96 : x - Step 2: Convert to fraction form
1,271,253.98/1,754,340.90 = 698,306.96/x - Step 3: Cross multiply
1,271,253.98x = 1,754,340.90 × 698,306.96 - Step 4: Simplify right side
1,271,253.98x = 1,225,068,460,682.66 - Step 5: Solve for x
x = 1,225,068,460,682.66/1,271,253.98 - Step 6: Final answer
x = 963,669.32
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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.