Finding the Fourth Proportional to 1,276,738.81, 1,761,898.73 and 695,963.05
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Solution
The fourth proportional to 1,276,738.81, 1,761,898.73 and 695,963.05 is: 960,428.55
Step by Step Solution
- Step 1: Write the proportion equation
1,276,738.81 : 1,761,898.73 = 695,963.05 : x - Step 2: Convert to fraction form
1,276,738.81/1,761,898.73 = 695,963.05/x - Step 3: Cross multiply
1,276,738.81x = 1,761,898.73 × 695,963.05 - Step 4: Simplify right side
1,276,738.81x = 1,226,216,406,037.36 - Step 5: Solve for x
x = 1,226,216,406,037.36/1,276,738.81 - Step 6: Final answer
x = 960,428.55
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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.