Finding the Fourth Proportional to 1,209,004.80, 1,667,763.84 and 749,960.64
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Solution
The fourth proportional to 1,209,004.80, 1,667,763.84 and 749,960.64 is: 1,034,534.55
Step by Step Solution
- Step 1: Write the proportion equation
1,209,004.80 : 1,667,763.84 = 749,960.64 : x - Step 2: Convert to fraction form
1,209,004.80/1,667,763.84 = 749,960.64/x - Step 3: Cross multiply
1,209,004.80x = 1,667,763.84 × 749,960.64 - Step 4: Simplify right side
1,209,004.80x = 1,250,757,236,815.26 - Step 5: Solve for x
x = 1,250,757,236,815.26/1,209,004.80 - Step 6: Final answer
x = 1,034,534.55
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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.