Finding the Fourth Proportional to 1,276,386.66, 1,761,379.02 and 703,426.68
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Solution
The fourth proportional to 1,276,386.66, 1,761,379.02 and 703,426.68 is: 970,709.77
Step by Step Solution
- Step 1: Write the proportion equation
1,276,386.66 : 1,761,379.02 = 703,426.68 : x - Step 2: Convert to fraction form
1,276,386.66/1,761,379.02 = 703,426.68/x - Step 3: Cross multiply
1,276,386.66x = 1,761,379.02 × 703,426.68 - Step 4: Simplify right side
1,276,386.66x = 1,239,000,996,260.25 - Step 5: Solve for x
x = 1,239,000,996,260.25/1,276,386.66 - Step 6: Final answer
x = 970,709.77
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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.