Finding the Fourth Proportional to 1,239,979.97, 1,710,968.59 and 730,613.09
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Solution
The fourth proportional to 1,239,979.97, 1,710,968.59 and 730,613.09 is: 1,008,126.00
Step by Step Solution
- Step 1: Write the proportion equation
1,239,979.97 : 1,710,968.59 = 730,613.09 : x - Step 2: Convert to fraction form
1,239,979.97/1,710,968.59 = 730,613.09/x - Step 3: Cross multiply
1,239,979.97x = 1,710,968.59 × 730,613.09 - Step 4: Simplify right side
1,239,979.97x = 1,250,056,048,432.84 - Step 5: Solve for x
x = 1,250,056,048,432.84/1,239,979.97 - Step 6: Final answer
x = 1,008,126.00
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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.