Finding the Fourth Proportional to 1,258,008.63, 1,736,124.78 and 947,355.09
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Solution
The fourth proportional to 1,258,008.63, 1,736,124.78 and 947,355.09 is: 1,307,404.90
Step by Step Solution
- Step 1: Write the proportion equation
1,258,008.63 : 1,736,124.78 = 947,355.09 : x - Step 2: Convert to fraction form
1,258,008.63/1,736,124.78 = 947,355.09/x - Step 3: Cross multiply
1,258,008.63x = 1,736,124.78 × 947,355.09 - Step 4: Simplify right side
1,258,008.63x = 1,644,726,647,208.13 - Step 5: Solve for x
x = 1,644,726,647,208.13/1,258,008.63 - Step 6: Final answer
x = 1,307,404.90
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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.