Finding the Fourth Proportional to 1,126,216.28, 1,554,209.97 and 684,690.14
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Solution
The fourth proportional to 1,126,216.28, 1,554,209.97 and 684,690.14 is: 944,891.55
Step by Step Solution
- Step 1: Write the proportion equation
1,126,216.28 : 1,554,209.97 = 684,690.14 : x - Step 2: Convert to fraction form
1,126,216.28/1,554,209.97 = 684,690.14/x - Step 3: Cross multiply
1,126,216.28x = 1,554,209.97 × 684,690.14 - Step 4: Simplify right side
1,126,216.28x = 1,064,152,241,948.70 - Step 5: Solve for x
x = 1,064,152,241,948.70/1,126,216.28 - Step 6: Final answer
x = 944,891.55
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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.