Finding the Fourth Proportional to 1,042,472.63, 1,438,602.50 and 589,763.63
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Solution
The fourth proportional to 1,042,472.63, 1,438,602.50 and 589,763.63 is: 813,868.30
Step by Step Solution
- Step 1: Write the proportion equation
1,042,472.63 : 1,438,602.50 = 589,763.63 : x - Step 2: Convert to fraction form
1,042,472.63/1,438,602.50 = 589,763.63/x - Step 3: Cross multiply
1,042,472.63x = 1,438,602.50 × 589,763.63 - Step 4: Simplify right side
1,042,472.63x = 848,435,422,385.24 - Step 5: Solve for x
x = 848,435,422,385.24/1,042,472.63 - Step 6: Final answer
x = 813,868.30
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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.