Finding the Fourth Proportional to 1,004,344.36, 1,386,215.92 and 660,212.09
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Solution
The fourth proportional to 1,004,344.36, 1,386,215.92 and 660,212.09 is: 911,237.76
Step by Step Solution
- Step 1: Write the proportion equation
1,004,344.36 : 1,386,215.92 = 660,212.09 : x - Step 2: Convert to fraction form
1,004,344.36/1,386,215.92 = 660,212.09/x - Step 3: Cross multiply
1,004,344.36x = 1,386,215.92 × 660,212.09 - Step 4: Simplify right side
1,004,344.36x = 915,196,509,734.47 - Step 5: Solve for x
x = 915,196,509,734.47/1,004,344.36 - Step 6: Final answer
x = 911,237.76
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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.