Finding the Fourth Proportional to 1,307,463.09, 1,804,288.19 and 734,490.96
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Solution
The fourth proportional to 1,307,463.09, 1,804,288.19 and 734,490.96 is: 1,013,591.41
Step by Step Solution
- Step 1: Write the proportion equation
1,307,463.09 : 1,804,288.19 = 734,490.96 : x - Step 2: Convert to fraction form
1,307,463.09/1,804,288.19 = 734,490.96/x - Step 3: Cross multiply
1,307,463.09x = 1,804,288.19 × 734,490.96 - Step 4: Simplify right side
1,307,463.09x = 1,325,233,361,117.31 - Step 5: Solve for x
x = 1,325,233,361,117.31/1,307,463.09 - Step 6: Final answer
x = 1,013,591.41
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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.