Finding the Fourth Proportional to 1,317,635.68, 1,818,339.60 and 714,023.68
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Solution
The fourth proportional to 1,317,635.68, 1,818,339.60 and 714,023.68 is: 985,353.96
Step by Step Solution
- Step 1: Write the proportion equation
1,317,635.68 : 1,818,339.60 = 714,023.68 : x - Step 2: Convert to fraction form
1,317,635.68/1,818,339.60 = 714,023.68/x - Step 3: Cross multiply
1,317,635.68x = 1,818,339.60 × 714,023.68 - Step 4: Simplify right side
1,317,635.68x = 1,298,337,532,681.73 - Step 5: Solve for x
x = 1,298,337,532,681.73/1,317,635.68 - Step 6: Final answer
x = 985,353.96
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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.