Finding the Fourth Proportional to 1,317,572.68, 1,975,464.78 and 418,744.84
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Solution
The fourth proportional to 1,317,572.68, 1,975,464.78 and 418,744.84 is: 627,833.06
Step by Step Solution
- Step 1: Write the proportion equation
1,317,572.68 : 1,975,464.78 = 418,744.84 : x - Step 2: Convert to fraction form
1,317,572.68/1,975,464.78 = 418,744.84/x - Step 3: Cross multiply
1,317,572.68x = 1,975,464.78 × 418,744.84 - Step 4: Simplify right side
1,317,572.68x = 827,215,683,226.74 - Step 5: Solve for x
x = 827,215,683,226.74/1,317,572.68 - Step 6: Final answer
x = 627,833.06
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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.