Finding the Fourth Proportional to 1,025,470.63, 1,415,178.63 and 572,790.79
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Solution
The fourth proportional to 1,025,470.63, 1,415,178.63 and 572,790.79 is: 790,467.58
Step by Step Solution
- Step 1: Write the proportion equation
1,025,470.63 : 1,415,178.63 = 572,790.79 : x - Step 2: Convert to fraction form
1,025,470.63/1,415,178.63 = 572,790.79/x - Step 3: Cross multiply
1,025,470.63x = 1,415,178.63 × 572,790.79 - Step 4: Simplify right side
1,025,470.63x = 810,601,285,468.82 - Step 5: Solve for x
x = 810,601,285,468.82/1,025,470.63 - Step 6: Final answer
x = 790,467.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.