Finding the Fourth Proportional to 1,249,425.48, 1,874,909.34 and 491,134.26
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Solution
The fourth proportional to 1,249,425.48, 1,874,909.34 and 491,134.26 is: 737,004.51
Step by Step Solution
- Step 1: Write the proportion equation
1,249,425.48 : 1,874,909.34 = 491,134.26 : x - Step 2: Convert to fraction form
1,249,425.48/1,874,909.34 = 491,134.26/x - Step 3: Cross multiply
1,249,425.48x = 1,874,909.34 × 491,134.26 - Step 4: Simplify right side
1,249,425.48x = 920,832,211,267.99 - Step 5: Solve for x
x = 920,832,211,267.99/1,249,425.48 - Step 6: Final answer
x = 737,004.51
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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.