Finding the Fourth Proportional to 1,025,374.48, 1,415,137.01 and 617,682.13
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Solution
The fourth proportional to 1,025,374.48, 1,415,137.01 and 617,682.13 is: 852,473.76
Step by Step Solution
- Step 1: Write the proportion equation
1,025,374.48 : 1,415,137.01 = 617,682.13 : x - Step 2: Convert to fraction form
1,025,374.48/1,415,137.01 = 617,682.13/x - Step 3: Cross multiply
1,025,374.48x = 1,415,137.01 × 617,682.13 - Step 4: Simplify right side
1,025,374.48x = 874,104,835,952.38 - Step 5: Solve for x
x = 874,104,835,952.38/1,025,374.48 - Step 6: Final answer
x = 852,473.76
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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.