Finding the Fourth Proportional to 1,272,824.72, 1,910,068.14 and 474,744.68
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Solution
The fourth proportional to 1,272,824.72, 1,910,068.14 and 474,744.68 is: 712,426.99
Step by Step Solution
- Step 1: Write the proportion equation
1,272,824.72 : 1,910,068.14 = 474,744.68 : x - Step 2: Convert to fraction form
1,272,824.72/1,910,068.14 = 474,744.68/x - Step 3: Cross multiply
1,272,824.72x = 1,910,068.14 × 474,744.68 - Step 4: Simplify right side
1,272,824.72x = 906,794,678,352.15 - Step 5: Solve for x
x = 906,794,678,352.15/1,272,824.72 - Step 6: Final answer
x = 712,426.99
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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.