Finding the Fourth Proportional to 1,317,014.12, 1,817,479.68 and 713,402.12
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Solution
The fourth proportional to 1,317,014.12, 1,817,479.68 and 713,402.12 is: 984,495.03
Step by Step Solution
- Step 1: Write the proportion equation
1,317,014.12 : 1,817,479.68 = 713,402.12 : x - Step 2: Convert to fraction form
1,317,014.12/1,817,479.68 = 713,402.12/x - Step 3: Cross multiply
1,317,014.12x = 1,817,479.68 × 713,402.12 - Step 4: Simplify right side
1,317,014.12x = 1,296,593,856,768.92 - Step 5: Solve for x
x = 1,296,593,856,768.92/1,317,014.12 - Step 6: Final answer
x = 984,495.03
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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.