Finding the Fourth Proportional to 1,125,692.91, 1,553,445.34 and 609,433.61
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Solution
The fourth proportional to 1,125,692.91, 1,553,445.34 and 609,433.61 is: 841,012.49
Step by Step Solution
- Step 1: Write the proportion equation
1,125,692.91 : 1,553,445.34 = 609,433.61 : x - Step 2: Convert to fraction form
1,125,692.91/1,553,445.34 = 609,433.61/x - Step 3: Cross multiply
1,125,692.91x = 1,553,445.34 × 609,433.61 - Step 4: Simplify right side
1,125,692.91x = 946,721,792,203.07 - Step 5: Solve for x
x = 946,721,792,203.07/1,125,692.91 - Step 6: Final answer
x = 841,012.49
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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.