Finding the Fourth Proportional to 1,028,623.24, 1,419,490.74 and 575,921.80
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Solution
The fourth proportional to 1,028,623.24, 1,419,490.74 and 575,921.80 is: 794,766.86
Step by Step Solution
- Step 1: Write the proportion equation
1,028,623.24 : 1,419,490.74 = 575,921.80 : x - Step 2: Convert to fraction form
1,028,623.24/1,419,490.74 = 575,921.80/x - Step 3: Cross multiply
1,028,623.24x = 1,419,490.74 × 575,921.80 - Step 4: Simplify right side
1,028,623.24x = 817,515,662,064.13 - Step 5: Solve for x
x = 817,515,662,064.13/1,028,623.24 - Step 6: Final answer
x = 794,766.86
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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.