Finding the Fourth Proportional to 1,285,998.93, 1,774,652.09 and 713,034.09
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Solution
The fourth proportional to 1,285,998.93, 1,774,652.09 and 713,034.09 is: 983,972.39
Step by Step Solution
- Step 1: Write the proportion equation
1,285,998.93 : 1,774,652.09 = 713,034.09 : x - Step 2: Convert to fraction form
1,285,998.93/1,774,652.09 = 713,034.09/x - Step 3: Cross multiply
1,285,998.93x = 1,774,652.09 × 713,034.09 - Step 4: Simplify right side
1,285,998.93x = 1,265,387,434,494.58 - Step 5: Solve for x
x = 1,265,387,434,494.58/1,285,998.93 - Step 6: Final answer
x = 983,972.39
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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.