Finding the Fourth Proportional to 1,122,023.68, 1,683,648 and 649,631.68
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Solution
The fourth proportional to 1,122,023.68, 1,683,648 and 649,631.68 is: 974,802.13
Step by Step Solution
- Step 1: Write the proportion equation
1,122,023.68 : 1,683,648 = 649,631.68 : x - Step 2: Convert to fraction form
1,122,023.68/1,683,648 = 649,631.68/x - Step 3: Cross multiply
1,122,023.68x = 1,683,648 × 649,631.68 - Step 4: Simplify right side
1,122,023.68x = 1,093,751,078,768.64 - Step 5: Solve for x
x = 1,093,751,078,768.64/1,122,023.68 - Step 6: Final answer
x = 974,802.13
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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.