Finding the Fourth Proportional to 1,126,779.11, 1,554,952.61 and 610,547.09
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Solution
The fourth proportional to 1,126,779.11, 1,554,952.61 and 610,547.09 is: 842,553.59
Step by Step Solution
- Step 1: Write the proportion equation
1,126,779.11 : 1,554,952.61 = 610,547.09 : x - Step 2: Convert to fraction form
1,126,779.11/1,554,952.61 = 610,547.09/x - Step 3: Cross multiply
1,126,779.11x = 1,554,952.61 × 610,547.09 - Step 4: Simplify right side
1,126,779.11x = 949,371,783,348.64 - Step 5: Solve for x
x = 949,371,783,348.64/1,126,779.11 - Step 6: Final answer
x = 842,553.59
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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.