Finding the Fourth Proportional to 1,321,309.08, 1,823,408.28 and 717,697.08
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Solution
The fourth proportional to 1,321,309.08, 1,823,408.28 and 717,697.08 is: 990,422.92
Step by Step Solution
- Step 1: Write the proportion equation
1,321,309.08 : 1,823,408.28 = 717,697.08 : x - Step 2: Convert to fraction form
1,321,309.08/1,823,408.28 = 717,697.08/x - Step 3: Cross multiply
1,321,309.08x = 1,823,408.28 × 717,697.08 - Step 4: Simplify right side
1,321,309.08x = 1,308,654,798,203.82 - Step 5: Solve for x
x = 1,308,654,798,203.82/1,321,309.08 - Step 6: Final answer
x = 990,422.92
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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.