Finding the Fourth Proportional to 1,387,580.81, 2,080,423.98 and 739,253.97
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Solution
The fourth proportional to 1,387,580.81, 2,080,423.98 and 739,253.97 is: 1,108,376.31
Step by Step Solution
- Step 1: Write the proportion equation
1,387,580.81 : 2,080,423.98 = 739,253.97 : x - Step 2: Convert to fraction form
1,387,580.81/2,080,423.98 = 739,253.97/x - Step 3: Cross multiply
1,387,580.81x = 2,080,423.98 × 739,253.97 - Step 4: Simplify right side
1,387,580.81x = 1,537,961,686,498.20 - Step 5: Solve for x
x = 1,537,961,686,498.20/1,387,580.81 - Step 6: Final answer
x = 1,108,376.31
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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.