Finding the Fourth Proportional to 1,284,132.42, 1,926,326.07 and 474,728.99
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Solution
The fourth proportional to 1,284,132.42, 1,926,326.07 and 474,728.99 is: 712,140.59
Step by Step Solution
- Step 1: Write the proportion equation
1,284,132.42 : 1,926,326.07 = 474,728.99 : x - Step 2: Convert to fraction form
1,284,132.42/1,926,326.07 = 474,728.99/x - Step 3: Cross multiply
1,284,132.42x = 1,926,326.07 × 474,728.99 - Step 4: Simplify right side
1,284,132.42x = 914,482,819,990.14 - Step 5: Solve for x
x = 914,482,819,990.14/1,284,132.42 - Step 6: Final answer
x = 712,140.59
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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.