Finding the Fourth Proportional to 1,115,549.94, 1,539,470.79 and 606,252.30
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Solution
The fourth proportional to 1,115,549.94, 1,539,470.79 and 606,252.30 is: 836,634.63
Step by Step Solution
- Step 1: Write the proportion equation
1,115,549.94 : 1,539,470.79 = 606,252.30 : x - Step 2: Convert to fraction form
1,115,549.94/1,539,470.79 = 606,252.30/x - Step 3: Cross multiply
1,115,549.94x = 1,539,470.79 × 606,252.30 - Step 4: Simplify right side
1,115,549.94x = 933,307,707,220.32 - Step 5: Solve for x
x = 933,307,707,220.32/1,115,549.94 - Step 6: Final answer
x = 836,634.63
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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.