Finding the Fourth Proportional to 1,028,027.68, 1,541,210.16 and 429,447.28
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Solution
The fourth proportional to 1,028,027.68, 1,541,210.16 and 429,447.28 is: 643,823.63
Step by Step Solution
- Step 1: Write the proportion equation
1,028,027.68 : 1,541,210.16 = 429,447.28 : x - Step 2: Convert to fraction form
1,028,027.68/1,541,210.16 = 429,447.28/x - Step 3: Cross multiply
1,028,027.68x = 1,541,210.16 × 429,447.28 - Step 4: Simplify right side
1,028,027.68x = 661,868,511,120.37 - Step 5: Solve for x
x = 661,868,511,120.37/1,028,027.68 - Step 6: Final answer
x = 643,823.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.