Finding the Fourth Proportional to 1,207,364.98, 1,811,102.40 and 853,956.58
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Solution
The fourth proportional to 1,207,364.98, 1,811,102.40 and 853,956.58 is: 1,280,973.72
Step by Step Solution
- Step 1: Write the proportion equation
1,207,364.98 : 1,811,102.40 = 853,956.58 : x - Step 2: Convert to fraction form
1,207,364.98/1,811,102.40 = 853,956.58/x - Step 3: Cross multiply
1,207,364.98x = 1,811,102.40 × 853,956.58 - Step 4: Simplify right side
1,207,364.98x = 1,546,602,811,533.79 - Step 5: Solve for x
x = 1,546,602,811,533.79/1,207,364.98 - Step 6: Final answer
x = 1,280,973.72
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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.