Finding the Fourth Proportional to 1,121,740.49, 1,679,929.09 and 646,986.53
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Solution
The fourth proportional to 1,121,740.49, 1,679,929.09 and 646,986.53 is: 968,933.10
Step by Step Solution
- Step 1: Write the proportion equation
1,121,740.49 : 1,679,929.09 = 646,986.53 : x - Step 2: Convert to fraction form
1,121,740.49/1,679,929.09 = 646,986.53/x - Step 3: Cross multiply
1,121,740.49x = 1,679,929.09 × 646,986.53 - Step 4: Simplify right side
1,121,740.49x = 1,086,891,480,950.58 - Step 5: Solve for x
x = 1,086,891,480,950.58/1,121,740.49 - Step 6: Final answer
x = 968,933.10
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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.