Finding the Fourth Proportional to 1,119,839.04, 1,679,743.98 and 278,398.08
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Solution
The fourth proportional to 1,119,839.04, 1,679,743.98 and 278,398.08 is: 417,593.50
Step by Step Solution
- Step 1: Write the proportion equation
1,119,839.04 : 1,679,743.98 = 278,398.08 : x - Step 2: Convert to fraction form
1,119,839.04/1,679,743.98 = 278,398.08/x - Step 3: Cross multiply
1,119,839.04x = 1,679,743.98 × 278,398.08 - Step 4: Simplify right side
1,119,839.04x = 467,637,498,923.56 - Step 5: Solve for x
x = 467,637,498,923.56/1,119,839.04 - Step 6: Final answer
x = 417,593.50
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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.