Finding the Fourth Proportional to 1,042,458.26, 1,438,512.92 and 583,467.71
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Solution
The fourth proportional to 1,042,458.26, 1,438,512.92 and 583,467.71 is: 805,140.95
Step by Step Solution
- Step 1: Write the proportion equation
1,042,458.26 : 1,438,512.92 = 583,467.71 : x - Step 2: Convert to fraction form
1,042,458.26/1,438,512.92 = 583,467.71/x - Step 3: Cross multiply
1,042,458.26x = 1,438,512.92 × 583,467.71 - Step 4: Simplify right side
1,042,458.26x = 839,325,831,315.91 - Step 5: Solve for x
x = 839,325,831,315.91/1,042,458.26 - Step 6: Final answer
x = 805,140.95
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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.