Finding the Fourth Proportional to 1,245,363.36, 1,718,643.60 and 736,501.92
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Solution
The fourth proportional to 1,245,363.36, 1,718,643.60 and 736,501.92 is: 1,016,397.58
Step by Step Solution
- Step 1: Write the proportion equation
1,245,363.36 : 1,718,643.60 = 736,501.92 : x - Step 2: Convert to fraction form
1,245,363.36/1,718,643.60 = 736,501.92/x - Step 3: Cross multiply
1,245,363.36x = 1,718,643.60 × 736,501.92 - Step 4: Simplify right side
1,245,363.36x = 1,265,784,311,195.71 - Step 5: Solve for x
x = 1,265,784,311,195.71/1,245,363.36 - Step 6: Final answer
x = 1,016,397.58
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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.