Finding the Fourth Proportional to 1,121,886.28, 1,548,202.98 and 612,589.06
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Solution
The fourth proportional to 1,121,886.28, 1,548,202.98 and 612,589.06 is: 845,372.86
Step by Step Solution
- Step 1: Write the proportion equation
1,121,886.28 : 1,548,202.98 = 612,589.06 : x - Step 2: Convert to fraction form
1,121,886.28/1,548,202.98 = 612,589.06/x - Step 3: Cross multiply
1,121,886.28x = 1,548,202.98 × 612,589.06 - Step 4: Simplify right side
1,121,886.28x = 948,412,208,207.40 - Step 5: Solve for x
x = 948,412,208,207.40/1,121,886.28 - Step 6: Final answer
x = 845,372.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.