Finding the Fourth Proportional to 1,036,121.97, 1,555,068.65 and 405,478.65
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Solution
The fourth proportional to 1,036,121.97, 1,555,068.65 and 405,478.65 is: 608,564.59
Step by Step Solution
- Step 1: Write the proportion equation
1,036,121.97 : 1,555,068.65 = 405,478.65 : x - Step 2: Convert to fraction form
1,036,121.97/1,555,068.65 = 405,478.65/x - Step 3: Cross multiply
1,036,121.97x = 1,555,068.65 × 405,478.65 - Step 4: Simplify right side
1,036,121.97x = 630,547,136,859.32 - Step 5: Solve for x
x = 630,547,136,859.32/1,036,121.97 - Step 6: Final answer
x = 608,564.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.