Finding the Fourth Proportional to 1,169,848.42, 1,754,772.63 and 421,894.42
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Solution
The fourth proportional to 1,169,848.42, 1,754,772.63 and 421,894.42 is: 632,841.63
Step by Step Solution
- Step 1: Write the proportion equation
1,169,848.42 : 1,754,772.63 = 421,894.42 : x - Step 2: Convert to fraction form
1,169,848.42/1,754,772.63 = 421,894.42/x - Step 3: Cross multiply
1,169,848.42x = 1,754,772.63 × 421,894.42 - Step 4: Simplify right side
1,169,848.42x = 740,328,780,965.73 - Step 5: Solve for x
x = 740,328,780,965.73/1,169,848.42 - Step 6: Final answer
x = 632,841.63
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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.