Finding the Fourth Proportional to 1,228,248.63, 1,842,372.95 and 479,769.75
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Solution
The fourth proportional to 1,228,248.63, 1,842,372.95 and 479,769.75 is: 719,654.63
Step by Step Solution
- Step 1: Write the proportion equation
1,228,248.63 : 1,842,372.95 = 479,769.75 : x - Step 2: Convert to fraction form
1,228,248.63/1,842,372.95 = 479,769.75/x - Step 3: Cross multiply
1,228,248.63x = 1,842,372.95 × 479,769.75 - Step 4: Simplify right side
1,228,248.63x = 883,914,807,229.41 - Step 5: Solve for x
x = 883,914,807,229.41/1,228,248.63 - Step 6: Final answer
x = 719,654.63
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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.