Finding the Fourth Proportional to 1,285,903.17, 1,774,646.69 and 713,054.97
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Solution
The fourth proportional to 1,285,903.17, 1,774,646.69 and 713,054.97 is: 984,071.48
Step by Step Solution
- Step 1: Write the proportion equation
1,285,903.17 : 1,774,646.69 = 713,054.97 : x - Step 2: Convert to fraction form
1,285,903.17/1,774,646.69 = 713,054.97/x - Step 3: Cross multiply
1,285,903.17x = 1,774,646.69 × 713,054.97 - Step 4: Simplify right side
1,285,903.17x = 1,265,420,638,733.27 - Step 5: Solve for x
x = 1,265,420,638,733.27/1,285,903.17 - Step 6: Final answer
x = 984,071.48
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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.