Finding the Fourth Proportional to 1,239,450.72, 1,859,033.52 and 386,587.68
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Solution
The fourth proportional to 1,239,450.72, 1,859,033.52 and 386,587.68 is: 579,837.06
Step by Step Solution
- Step 1: Write the proportion equation
1,239,450.72 : 1,859,033.52 = 386,587.68 : x - Step 2: Convert to fraction form
1,239,450.72/1,859,033.52 = 386,587.68/x - Step 3: Cross multiply
1,239,450.72x = 1,859,033.52 × 386,587.68 - Step 4: Simplify right side
1,239,450.72x = 718,679,455,539.03 - Step 5: Solve for x
x = 718,679,455,539.03/1,239,450.72 - Step 6: Final answer
x = 579,837.06
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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.