Finding the Fourth Proportional to 1,091,727.44, 1,506,563.79 and 608,282.18
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Solution
The fourth proportional to 1,091,727.44, 1,506,563.79 and 608,282.18 is: 839,418.22
Step by Step Solution
- Step 1: Write the proportion equation
1,091,727.44 : 1,506,563.79 = 608,282.18 : x - Step 2: Convert to fraction form
1,091,727.44/1,506,563.79 = 608,282.18/x - Step 3: Cross multiply
1,091,727.44x = 1,506,563.79 × 608,282.18 - Step 4: Simplify right side
1,091,727.44x = 916,415,898,957.44 - Step 5: Solve for x
x = 916,415,898,957.44/1,091,727.44 - Step 6: Final answer
x = 839,418.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.