Finding the Fourth Proportional to 1,317,636.68, 1,818,340.98 and 714,024.68
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Solution
The fourth proportional to 1,317,636.68, 1,818,340.98 and 714,024.68 is: 985,355.34
Step by Step Solution
- Step 1: Write the proportion equation
1,317,636.68 : 1,818,340.98 = 714,024.68 : x - Step 2: Convert to fraction form
1,317,636.68/1,818,340.98 = 714,024.68/x - Step 3: Cross multiply
1,317,636.68x = 1,818,340.98 × 714,024.68 - Step 4: Simplify right side
1,317,636.68x = 1,298,340,336,375.39 - Step 5: Solve for x
x = 1,298,340,336,375.39/1,317,636.68 - Step 6: Final answer
x = 985,355.34
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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.