Finding the Fourth Proportional to 1,330,317.81, 1,835,838.68 and 726,705.81
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Solution
The fourth proportional to 1,330,317.81, 1,835,838.68 and 726,705.81 is: 1,002,854.07
Step by Step Solution
- Step 1: Write the proportion equation
1,330,317.81 : 1,835,838.68 = 726,705.81 : x - Step 2: Convert to fraction form
1,330,317.81/1,835,838.68 = 726,705.81/x - Step 3: Cross multiply
1,330,317.81x = 1,835,838.68 × 726,705.81 - Step 4: Simplify right side
1,330,317.81x = 1,334,114,631,345.20 - Step 5: Solve for x
x = 1,334,114,631,345.20/1,330,317.81 - Step 6: Final answer
x = 1,002,854.07
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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.