Finding the Fourth Proportional to 1,305,760.49, 1,798,985.36 and 1,010,394.70
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Solution
The fourth proportional to 1,305,760.49, 1,798,985.36 and 1,010,394.70 is: 1,392,051.06
Step by Step Solution
- Step 1: Write the proportion equation
1,305,760.49 : 1,798,985.36 = 1,010,394.70 : x - Step 2: Convert to fraction form
1,305,760.49/1,798,985.36 = 1,010,394.70/x - Step 3: Cross multiply
1,305,760.49x = 1,798,985.36 × 1,010,394.70 - Step 4: Simplify right side
1,305,760.49x = 1,817,685,273,121.59 - Step 5: Solve for x
x = 1,817,685,273,121.59/1,305,760.49 - Step 6: Final answer
x = 1,392,051.06
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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.