Finding the Fourth Proportional to 1,402,733.19, 1,935,732.99 and 790,880.56
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Solution
The fourth proportional to 1,402,733.19, 1,935,732.99 and 790,880.56 is: 1,091,393.28
Step by Step Solution
- Step 1: Write the proportion equation
1,402,733.19 : 1,935,732.99 = 790,880.56 : x - Step 2: Convert to fraction form
1,402,733.19/1,935,732.99 = 790,880.56/x - Step 3: Cross multiply
1,402,733.19x = 1,935,732.99 × 790,880.56 - Step 4: Simplify right side
1,402,733.19x = 1,530,933,584,819.44 - Step 5: Solve for x
x = 1,530,933,584,819.44/1,402,733.19 - Step 6: Final answer
x = 1,091,393.28
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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.