Finding the Fourth Proportional to 1,408,164.29, 2,112,625.56 and 724,678.68
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Solution
The fourth proportional to 1,408,164.29, 2,112,625.56 and 724,678.68 is: 1,087,213.13
Step by Step Solution
- Step 1: Write the proportion equation
1,408,164.29 : 2,112,625.56 = 724,678.68 : x - Step 2: Convert to fraction form
1,408,164.29/2,112,625.56 = 724,678.68/x - Step 3: Cross multiply
1,408,164.29x = 2,112,625.56 × 724,678.68 - Step 4: Simplify right side
1,408,164.29x = 1,530,974,702,155.06 - Step 5: Solve for x
x = 1,530,974,702,155.06/1,408,164.29 - Step 6: Final answer
x = 1,087,213.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.