Finding the Fourth Proportional to 1,112,304.12, 1,668,455.52 and 402,166.09
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Solution
The fourth proportional to 1,112,304.12, 1,668,455.52 and 402,166.09 is: 603,248.90
Step by Step Solution
- Step 1: Write the proportion equation
1,112,304.12 : 1,668,455.52 = 402,166.09 : x - Step 2: Convert to fraction form
1,112,304.12/1,668,455.52 = 402,166.09/x - Step 3: Cross multiply
1,112,304.12x = 1,668,455.52 × 402,166.09 - Step 4: Simplify right side
1,112,304.12x = 670,996,232,817.32 - Step 5: Solve for x
x = 670,996,232,817.32/1,112,304.12 - Step 6: Final answer
x = 603,248.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.