Finding the Fourth Proportional to 1,605,804, 2,409,639.12 and 719,340
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Solution
The fourth proportional to 1,605,804, 2,409,639.12 and 719,340 is: 1,079,428.00
Step by Step Solution
- Step 1: Write the proportion equation
1,605,804 : 2,409,639.12 = 719,340 : x - Step 2: Convert to fraction form
1,605,804/2,409,639.12 = 719,340/x - Step 3: Cross multiply
1,605,804x = 2,409,639.12 × 719,340 - Step 4: Simplify right side
1,605,804x = 1,733,349,804,580.80 - Step 5: Solve for x
x = 1,733,349,804,580.80/1,605,804 - Step 6: Final answer
x = 1,079,428.00
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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.