Finding the Fourth Proportional to 1,287,027.54, 1,929,784.29 and 488,365.23
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Solution
The fourth proportional to 1,287,027.54, 1,929,784.29 and 488,365.23 is: 732,260.59
Step by Step Solution
- Step 1: Write the proportion equation
1,287,027.54 : 1,929,784.29 = 488,365.23 : x - Step 2: Convert to fraction form
1,287,027.54/1,929,784.29 = 488,365.23/x - Step 3: Cross multiply
1,287,027.54x = 1,929,784.29 × 488,365.23 - Step 4: Simplify right side
1,287,027.54x = 942,439,548,636.24 - Step 5: Solve for x
x = 942,439,548,636.24/1,287,027.54 - Step 6: Final answer
x = 732,260.59
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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.