Finding the Fourth Proportional to 1,128,935.10, 1,693,697.76 and 655,165.02
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Solution
The fourth proportional to 1,128,935.10, 1,693,697.76 and 655,165.02 is: 982,918.79
Step by Step Solution
- Step 1: Write the proportion equation
1,128,935.10 : 1,693,697.76 = 655,165.02 : x - Step 2: Convert to fraction form
1,128,935.10/1,693,697.76 = 655,165.02/x - Step 3: Cross multiply
1,128,935.10x = 1,693,697.76 × 655,165.02 - Step 4: Simplify right side
1,128,935.10x = 1,109,651,526,804.36 - Step 5: Solve for x
x = 1,109,651,526,804.36/1,128,935.10 - Step 6: Final answer
x = 982,918.79
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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.