Finding the Fourth Proportional to 1,007,906.63, 1,390,911.14 and 555,197.63
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Solution
The fourth proportional to 1,007,906.63, 1,390,911.14 and 555,197.63 is: 766,172.72
Step by Step Solution
- Step 1: Write the proportion equation
1,007,906.63 : 1,390,911.14 = 555,197.63 : x - Step 2: Convert to fraction form
1,007,906.63/1,390,911.14 = 555,197.63/x - Step 3: Cross multiply
1,007,906.63x = 1,390,911.14 × 555,197.63 - Step 4: Simplify right side
1,007,906.63x = 772,230,562,902.04 - Step 5: Solve for x
x = 772,230,562,902.04/1,007,906.63 - Step 6: Final answer
x = 766,172.72
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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.