Finding the Fourth Proportional to 1,049,808.14, 1,572,344.69 and 487,659.66
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Solution
The fourth proportional to 1,049,808.14, 1,572,344.69 and 487,659.66 is: 730,389.72
Step by Step Solution
- Step 1: Write the proportion equation
1,049,808.14 : 1,572,344.69 = 487,659.66 : x - Step 2: Convert to fraction form
1,049,808.14/1,572,344.69 = 487,659.66/x - Step 3: Cross multiply
1,049,808.14x = 1,572,344.69 × 487,659.66 - Step 4: Simplify right side
1,049,808.14x = 766,769,076,928.21 - Step 5: Solve for x
x = 766,769,076,928.21/1,049,808.14 - Step 6: Final answer
x = 730,389.72
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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.