Finding the Fourth Proportional to 1,418,744.80, 2,128,376.40 and 577,381.60
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Solution
The fourth proportional to 1,418,744.80, 2,128,376.40 and 577,381.60 is: 866,177.89
Step by Step Solution
- Step 1: Write the proportion equation
1,418,744.80 : 2,128,376.40 = 577,381.60 : x - Step 2: Convert to fraction form
1,418,744.80/2,128,376.40 = 577,381.60/x - Step 3: Cross multiply
1,418,744.80x = 2,128,376.40 × 577,381.60 - Step 4: Simplify right side
1,418,744.80x = 1,228,885,371,234.24 - Step 5: Solve for x
x = 1,228,885,371,234.24/1,418,744.80 - Step 6: Final answer
x = 866,177.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.