Finding the Fourth Proportional to 1,219,774.68, 1,829,751.80 and 321,210.09
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Solution
The fourth proportional to 1,219,774.68, 1,829,751.80 and 321,210.09 is: 481,838.78
Step by Step Solution
- Step 1: Write the proportion equation
1,219,774.68 : 1,829,751.80 = 321,210.09 : x - Step 2: Convert to fraction form
1,219,774.68/1,829,751.80 = 321,210.09/x - Step 3: Cross multiply
1,219,774.68x = 1,829,751.80 × 321,210.09 - Step 4: Simplify right side
1,219,774.68x = 587,734,738,749.61 - Step 5: Solve for x
x = 587,734,738,749.61/1,219,774.68 - Step 6: Final answer
x = 481,838.78
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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.