Finding the Fourth Proportional to 1,186,392.08, 1,779,817.08 and 387,458.84
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Solution
The fourth proportional to 1,186,392.08, 1,779,817.08 and 387,458.84 is: 581,263.04
Step by Step Solution
- Step 1: Write the proportion equation
1,186,392.08 : 1,779,817.08 = 387,458.84 : x - Step 2: Convert to fraction form
1,186,392.08/1,779,817.08 = 387,458.84/x - Step 3: Cross multiply
1,186,392.08x = 1,779,817.08 × 387,458.84 - Step 4: Simplify right side
1,186,392.08x = 689,605,861,228.99 - Step 5: Solve for x
x = 689,605,861,228.99/1,186,392.08 - Step 6: Final answer
x = 581,263.04
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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.