Finding the Fourth Proportional to 1,258,994.68, 1,737,358.26 and 715,128.76
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Solution
The fourth proportional to 1,258,994.68, 1,737,358.26 and 715,128.76 is: 986,846.79
Step by Step Solution
- Step 1: Write the proportion equation
1,258,994.68 : 1,737,358.26 = 715,128.76 : x - Step 2: Convert to fraction form
1,258,994.68/1,737,358.26 = 715,128.76/x - Step 3: Cross multiply
1,258,994.68x = 1,737,358.26 × 715,128.76 - Step 4: Simplify right side
1,258,994.68x = 1,242,434,858,149.56 - Step 5: Solve for x
x = 1,242,434,858,149.56/1,258,994.68 - Step 6: Final answer
x = 986,846.79
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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.