Finding the Fourth Proportional to 1,251,975.84, 1,727,460.72 and 742,843.68
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Solution
The fourth proportional to 1,251,975.84, 1,727,460.72 and 742,843.68 is: 1,024,966.49
Step by Step Solution
- Step 1: Write the proportion equation
1,251,975.84 : 1,727,460.72 = 742,843.68 : x - Step 2: Convert to fraction form
1,251,975.84/1,727,460.72 = 742,843.68/x - Step 3: Cross multiply
1,251,975.84x = 1,727,460.72 × 742,843.68 - Step 4: Simplify right side
1,251,975.84x = 1,283,233,278,300.25 - Step 5: Solve for x
x = 1,283,233,278,300.25/1,251,975.84 - Step 6: Final answer
x = 1,024,966.49
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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.