Finding the Fourth Proportional to 1,262,478.29, 1,742,217.26 and 689,518.49
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Solution
The fourth proportional to 1,262,478.29, 1,742,217.26 and 689,518.49 is: 951,533.99
Step by Step Solution
- Step 1: Write the proportion equation
1,262,478.29 : 1,742,217.26 = 689,518.49 : x - Step 2: Convert to fraction form
1,262,478.29/1,742,217.26 = 689,518.49/x - Step 3: Cross multiply
1,262,478.29x = 1,742,217.26 × 689,518.49 - Step 4: Simplify right side
1,262,478.29x = 1,201,291,002,208.46 - Step 5: Solve for x
x = 1,201,291,002,208.46/1,262,478.29 - Step 6: Final answer
x = 951,533.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.