Finding the Fourth Proportional to 1,257,276.13, 1,735,039.74 and 684,314.93
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Solution
The fourth proportional to 1,257,276.13, 1,735,039.74 and 684,314.93 is: 944,353.89
Step by Step Solution
- Step 1: Write the proportion equation
1,257,276.13 : 1,735,039.74 = 684,314.93 : x - Step 2: Convert to fraction form
1,257,276.13/1,735,039.74 = 684,314.93/x - Step 3: Cross multiply
1,257,276.13x = 1,735,039.74 × 684,314.93 - Step 4: Simplify right side
1,257,276.13x = 1,187,313,605,129.10 - Step 5: Solve for x
x = 1,187,313,605,129.10/1,257,276.13 - Step 6: Final answer
x = 944,353.89
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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.