Finding the Fourth Proportional to 1,036,616.99, 1,555,004.19 and 353,291.46
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Solution
The fourth proportional to 1,036,616.99, 1,555,004.19 and 353,291.46 is: 529,964.01
Step by Step Solution
- Step 1: Write the proportion equation
1,036,616.99 : 1,555,004.19 = 353,291.46 : x - Step 2: Convert to fraction form
1,036,616.99/1,555,004.19 = 353,291.46/x - Step 3: Cross multiply
1,036,616.99x = 1,555,004.19 × 353,291.46 - Step 4: Simplify right side
1,036,616.99x = 549,369,700,591.22 - Step 5: Solve for x
x = 549,369,700,591.22/1,036,616.99 - Step 6: Final answer
x = 529,964.01
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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.