Finding the Fourth Proportional to 1,148,926.14, 1,722,191.22 and 642,744.99
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Solution
The fourth proportional to 1,148,926.14, 1,722,191.22 and 642,744.99 is: 963,447.29
Step by Step Solution
- Step 1: Write the proportion equation
1,148,926.14 : 1,722,191.22 = 642,744.99 : x - Step 2: Convert to fraction form
1,148,926.14/1,722,191.22 = 642,744.99/x - Step 3: Cross multiply
1,148,926.14x = 1,722,191.22 × 642,744.99 - Step 4: Simplify right side
1,148,926.14x = 1,106,929,778,476.99 - Step 5: Solve for x
x = 1,106,929,778,476.99/1,148,926.14 - Step 6: Final answer
x = 963,447.29
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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.