Finding the Fourth Proportional to 1,292,004.63, 1,937,789.87 and 393,228.63
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Solution
The fourth proportional to 1,292,004.63, 1,937,789.87 and 393,228.63 is: 589,776.88
Step by Step Solution
- Step 1: Write the proportion equation
1,292,004.63 : 1,937,789.87 = 393,228.63 : x - Step 2: Convert to fraction form
1,292,004.63/1,937,789.87 = 393,228.63/x - Step 3: Cross multiply
1,292,004.63x = 1,937,789.87 × 393,228.63 - Step 4: Simplify right side
1,292,004.63x = 761,994,453,841.84 - Step 5: Solve for x
x = 761,994,453,841.84/1,292,004.63 - Step 6: Final answer
x = 589,776.88
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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.