Finding the Fourth Proportional to 1,280,968.68, 1,921,383.72 and 649,866.09
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Solution
The fourth proportional to 1,280,968.68, 1,921,383.72 and 649,866.09 is: 974,763.98
Step by Step Solution
- Step 1: Write the proportion equation
1,280,968.68 : 1,921,383.72 = 649,866.09 : x - Step 2: Convert to fraction form
1,280,968.68/1,921,383.72 = 649,866.09/x - Step 3: Cross multiply
1,280,968.68x = 1,921,383.72 × 649,866.09 - Step 4: Simplify right side
1,280,968.68x = 1,248,642,125,506.05 - Step 5: Solve for x
x = 1,248,642,125,506.05/1,280,968.68 - Step 6: Final answer
x = 974,763.98
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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.