Finding the Fourth Proportional to 1,160,453.16, 1,740,671.91 and 631,337.19
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Solution
The fourth proportional to 1,160,453.16, 1,740,671.91 and 631,337.19 is: 947,001.53
Step by Step Solution
- Step 1: Write the proportion equation
1,160,453.16 : 1,740,671.91 = 631,337.19 : x - Step 2: Convert to fraction form
1,160,453.16/1,740,671.91 = 631,337.19/x - Step 3: Cross multiply
1,160,453.16x = 1,740,671.91 × 631,337.19 - Step 4: Simplify right side
1,160,453.16x = 1,098,950,912,371.33 - Step 5: Solve for x
x = 1,098,950,912,371.33/1,160,453.16 - Step 6: Final answer
x = 947,001.53
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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.