Finding the Fourth Proportional to 1,107,206.28, 1,528,192.98 and 725,011.02
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Solution
The fourth proportional to 1,107,206.28, 1,528,192.98 and 725,011.02 is: 1,000,677.81
Step by Step Solution
- Step 1: Write the proportion equation
1,107,206.28 : 1,528,192.98 = 725,011.02 : x - Step 2: Convert to fraction form
1,107,206.28/1,528,192.98 = 725,011.02/x - Step 3: Cross multiply
1,107,206.28x = 1,528,192.98 × 725,011.02 - Step 4: Simplify right side
1,107,206.28x = 1,107,956,751,186.64 - Step 5: Solve for x
x = 1,107,956,751,186.64/1,107,206.28 - Step 6: Final answer
x = 1,000,677.81
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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.