Finding the Fourth Proportional to 1,036,778.14, 1,554,933.93 and 371,930.14
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Solution
The fourth proportional to 1,036,778.14, 1,554,933.93 and 371,930.14 is: 557,811.52
Step by Step Solution
- Step 1: Write the proportion equation
1,036,778.14 : 1,554,933.93 = 371,930.14 : x - Step 2: Convert to fraction form
1,036,778.14/1,554,933.93 = 371,930.14/x - Step 3: Cross multiply
1,036,778.14x = 1,554,933.93 × 371,930.14 - Step 4: Simplify right side
1,036,778.14x = 578,326,794,275.65 - Step 5: Solve for x
x = 578,326,794,275.65/1,036,778.14 - Step 6: Final answer
x = 557,811.52
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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.