Finding the Fourth Proportional to 1,142,892.18, 1,577,229.57 and 633,564.18
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Solution
The fourth proportional to 1,142,892.18, 1,577,229.57 and 633,564.18 is: 874,339.83
Step by Step Solution
- Step 1: Write the proportion equation
1,142,892.18 : 1,577,229.57 = 633,564.18 : x - Step 2: Convert to fraction form
1,142,892.18/1,577,229.57 = 633,564.18/x - Step 3: Cross multiply
1,142,892.18x = 1,577,229.57 × 633,564.18 - Step 4: Simplify right side
1,142,892.18x = 999,276,159,188.80 - Step 5: Solve for x
x = 999,276,159,188.80/1,142,892.18 - Step 6: Final answer
x = 874,339.83
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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.