Finding the Fourth Proportional to 1,208,000.04, 1,667,041.11 and 664,145.08
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Solution
The fourth proportional to 1,208,000.04, 1,667,041.11 and 664,145.08 is: 916,520.79
Step by Step Solution
- Step 1: Write the proportion equation
1,208,000.04 : 1,667,041.11 = 664,145.08 : x - Step 2: Convert to fraction form
1,208,000.04/1,667,041.11 = 664,145.08/x - Step 3: Cross multiply
1,208,000.04x = 1,667,041.11 × 664,145.08 - Step 4: Simplify right side
1,208,000.04x = 1,107,157,151,364.24 - Step 5: Solve for x
x = 1,107,157,151,364.24/1,208,000.04 - Step 6: Final answer
x = 916,520.79
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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.