Finding the Fourth Proportional to 1,226,506.68, 1,839,615.12 and 328,018.06
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Solution
The fourth proportional to 1,226,506.68, 1,839,615.12 and 328,018.06 is: 491,988.34
Step by Step Solution
- Step 1: Write the proportion equation
1,226,506.68 : 1,839,615.12 = 328,018.06 : x - Step 2: Convert to fraction form
1,226,506.68/1,839,615.12 = 328,018.06/x - Step 3: Cross multiply
1,226,506.68x = 1,839,615.12 × 328,018.06 - Step 4: Simplify right side
1,226,506.68x = 603,426,982,809.07 - Step 5: Solve for x
x = 603,426,982,809.07/1,226,506.68 - Step 6: Final answer
x = 491,988.34
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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.