Finding the Fourth Proportional to 1,248,763.80, 1,723,299.54 and 675,804.06
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Solution
The fourth proportional to 1,248,763.80, 1,723,299.54 and 675,804.06 is: 932,612.58
Step by Step Solution
- Step 1: Write the proportion equation
1,248,763.80 : 1,723,299.54 = 675,804.06 : x - Step 2: Convert to fraction form
1,248,763.80/1,723,299.54 = 675,804.06/x - Step 3: Cross multiply
1,248,763.80x = 1,723,299.54 × 675,804.06 - Step 4: Simplify right side
1,248,763.80x = 1,164,612,825,728.13 - Step 5: Solve for x
x = 1,164,612,825,728.13/1,248,763.80 - Step 6: Final answer
x = 932,612.58
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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.