Finding the Fourth Proportional to 1,042,473.13, 1,438,603.19 and 589,764.13
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Solution
The fourth proportional to 1,042,473.13, 1,438,603.19 and 589,764.13 is: 813,868.99
Step by Step Solution
- Step 1: Write the proportion equation
1,042,473.13 : 1,438,603.19 = 589,764.13 : x - Step 2: Convert to fraction form
1,042,473.13/1,438,603.19 = 589,764.13/x - Step 3: Cross multiply
1,042,473.13x = 1,438,603.19 × 589,764.13 - Step 4: Simplify right side
1,042,473.13x = 848,436,551,572.56 - Step 5: Solve for x
x = 848,436,551,572.56/1,042,473.13 - Step 6: Final answer
x = 813,868.99
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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.