Finding the Fourth Proportional to 1,262,404.14, 1,742,119.66 and 718,539.92
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Solution
The fourth proportional to 1,262,404.14, 1,742,119.66 and 718,539.92 is: 991,586.19
Step by Step Solution
- Step 1: Write the proportion equation
1,262,404.14 : 1,742,119.66 = 718,539.92 : x - Step 2: Convert to fraction form
1,262,404.14/1,742,119.66 = 718,539.92/x - Step 3: Cross multiply
1,262,404.14x = 1,742,119.66 × 718,539.92 - Step 4: Simplify right side
1,262,404.14x = 1,251,782,508,823.53 - Step 5: Solve for x
x = 1,251,782,508,823.53/1,262,404.14 - Step 6: Final answer
x = 991,586.19
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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.