Finding the Fourth Proportional to 1,357,881.70, 1,873,908 and 746,072.62
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Solution
The fourth proportional to 1,357,881.70, 1,873,908 and 746,072.62 is: 1,029,597.39
Step by Step Solution
- Step 1: Write the proportion equation
1,357,881.70 : 1,873,908 = 746,072.62 : x - Step 2: Convert to fraction form
1,357,881.70/1,873,908 = 746,072.62/x - Step 3: Cross multiply
1,357,881.70x = 1,873,908 × 746,072.62 - Step 4: Simplify right side
1,357,881.70x = 1,398,071,451,198.96 - Step 5: Solve for x
x = 1,398,071,451,198.96/1,357,881.70 - Step 6: Final answer
x = 1,029,597.39
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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.