Finding the Fourth Proportional to 1,286,063.12, 1,774,604.04 and 705,133.44
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Solution
The fourth proportional to 1,286,063.12, 1,774,604.04 and 705,133.44 is: 972,994.74
Step by Step Solution
- Step 1: Write the proportion equation
1,286,063.12 : 1,774,604.04 = 705,133.44 : x - Step 2: Convert to fraction form
1,286,063.12/1,774,604.04 = 705,133.44/x - Step 3: Cross multiply
1,286,063.12x = 1,774,604.04 × 705,133.44 - Step 4: Simplify right side
1,286,063.12x = 1,251,332,651,363.10 - Step 5: Solve for x
x = 1,251,332,651,363.10/1,286,063.12 - Step 6: Final answer
x = 972,994.74
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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.