Finding the Fourth Proportional to 1,348,891.84, 1,861,470.72 and 745,279.84
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Solution
The fourth proportional to 1,348,891.84, 1,861,470.72 and 745,279.84 is: 1,028,486.17
Step by Step Solution
- Step 1: Write the proportion equation
1,348,891.84 : 1,861,470.72 = 745,279.84 : x - Step 2: Convert to fraction form
1,348,891.84/1,861,470.72 = 745,279.84/x - Step 3: Cross multiply
1,348,891.84x = 1,861,470.72 × 745,279.84 - Step 4: Simplify right side
1,348,891.84x = 1,387,316,600,366.28 - Step 5: Solve for x
x = 1,387,316,600,366.28/1,348,891.84 - Step 6: Final answer
x = 1,028,486.17
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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.