Finding the Fourth Proportional to 1,254,449.28, 1,872,193.98 and 1,133,380.68
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Solution
The fourth proportional to 1,254,449.28, 1,872,193.98 and 1,133,380.68 is: 1,691,506.00
Step by Step Solution
- Step 1: Write the proportion equation
1,254,449.28 : 1,872,193.98 = 1,133,380.68 : x - Step 2: Convert to fraction form
1,254,449.28/1,872,193.98 = 1,133,380.68/x - Step 3: Cross multiply
1,254,449.28x = 1,872,193.98 × 1,133,380.68 - Step 4: Simplify right side
1,254,449.28x = 2,121,908,486,144.31 - Step 5: Solve for x
x = 2,121,908,486,144.31/1,254,449.28 - Step 6: Final answer
x = 1,691,506.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.