Finding the Fourth Proportional to 1,154,134.80, 1,731,237.55 and 395,965.69
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Solution
The fourth proportional to 1,154,134.80, 1,731,237.55 and 395,965.69 is: 593,960.66
Step by Step Solution
- Step 1: Write the proportion equation
1,154,134.80 : 1,731,237.55 = 395,965.69 : x - Step 2: Convert to fraction form
1,154,134.80/1,731,237.55 = 395,965.69/x - Step 3: Cross multiply
1,154,134.80x = 1,731,237.55 × 395,965.69 - Step 4: Simplify right side
1,154,134.80x = 685,510,672,818.06 - Step 5: Solve for x
x = 685,510,672,818.06/1,154,134.80 - Step 6: Final answer
x = 593,960.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.