Finding the Fourth Proportional to 1,007,806.53, 1,390,772.79 and 555,097.53
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Solution
The fourth proportional to 1,007,806.53, 1,390,772.79 and 555,097.53 is: 766,034.47
Step by Step Solution
- Step 1: Write the proportion equation
1,007,806.53 : 1,390,772.79 = 555,097.53 : x - Step 2: Convert to fraction form
1,007,806.53/1,390,772.79 = 555,097.53/x - Step 3: Cross multiply
1,007,806.53x = 1,390,772.79 × 555,097.53 - Step 4: Simplify right side
1,007,806.53x = 772,014,540,520.21 - Step 5: Solve for x
x = 772,014,540,520.21/1,007,806.53 - Step 6: Final answer
x = 766,034.47
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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.