Finding the Fourth Proportional to 1,109,645.62, 1,531,391.79 and 626,252.92
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Solution
The fourth proportional to 1,109,645.62, 1,531,391.79 and 626,252.92 is: 864,274.65
Step by Step Solution
- Step 1: Write the proportion equation
1,109,645.62 : 1,531,391.79 = 626,252.92 : x - Step 2: Convert to fraction form
1,109,645.62/1,531,391.79 = 626,252.92/x - Step 3: Cross multiply
1,109,645.62x = 1,531,391.79 × 626,252.92 - Step 4: Simplify right side
1,109,645.62x = 959,038,580,151.53 - Step 5: Solve for x
x = 959,038,580,151.53/1,109,645.62 - Step 6: Final answer
x = 864,274.65
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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.