Finding the Fourth Proportional to 1,125,432.18, 1,553,292.67 and 666,804.97
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Solution
The fourth proportional to 1,125,432.18, 1,553,292.67 and 666,804.97 is: 920,307.14
Step by Step Solution
- Step 1: Write the proportion equation
1,125,432.18 : 1,553,292.67 = 666,804.97 : x - Step 2: Convert to fraction form
1,125,432.18/1,553,292.67 = 666,804.97/x - Step 3: Cross multiply
1,125,432.18x = 1,553,292.67 × 666,804.97 - Step 4: Simplify right side
1,125,432.18x = 1,035,743,269,445.45 - Step 5: Solve for x
x = 1,035,743,269,445.45/1,125,432.18 - Step 6: Final answer
x = 920,307.14
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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.