Finding the Fourth Proportional to 1,317,455.24, 1,974,657.62 and 605,990.12
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Solution
The fourth proportional to 1,317,455.24, 1,974,657.62 and 605,990.12 is: 908,283.62
Step by Step Solution
- Step 1: Write the proportion equation
1,317,455.24 : 1,974,657.62 = 605,990.12 : x - Step 2: Convert to fraction form
1,317,455.24/1,974,657.62 = 605,990.12/x - Step 3: Cross multiply
1,317,455.24x = 1,974,657.62 × 605,990.12 - Step 4: Simplify right side
1,317,455.24x = 1,196,623,008,102.71 - Step 5: Solve for x
x = 1,196,623,008,102.71/1,317,455.24 - Step 6: Final answer
x = 908,283.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.