Finding the Fourth Proportional to 1,249,423.98, 1,874,907.09 and 491,132.76
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Solution
The fourth proportional to 1,249,423.98, 1,874,907.09 and 491,132.76 is: 737,002.26
Step by Step Solution
- Step 1: Write the proportion equation
1,249,423.98 : 1,874,907.09 = 491,132.76 : x - Step 2: Convert to fraction form
1,249,423.98/1,874,907.09 = 491,132.76/x - Step 3: Cross multiply
1,249,423.98x = 1,874,907.09 × 491,132.76 - Step 4: Simplify right side
1,249,423.98x = 920,828,293,855.27 - Step 5: Solve for x
x = 920,828,293,855.27/1,249,423.98 - Step 6: Final answer
x = 737,002.26
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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.