Finding the Fourth Proportional to 1,147,108.84, 1,583,000.60 and 637,806.76
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Solution
The fourth proportional to 1,147,108.84, 1,583,000.60 and 637,806.76 is: 880,167.99
Step by Step Solution
- Step 1: Write the proportion equation
1,147,108.84 : 1,583,000.60 = 637,806.76 : x - Step 2: Convert to fraction form
1,147,108.84/1,583,000.60 = 637,806.76/x - Step 3: Cross multiply
1,147,108.84x = 1,583,000.60 × 637,806.76 - Step 4: Simplify right side
1,147,108.84x = 1,009,648,483,764.06 - Step 5: Solve for x
x = 1,009,648,483,764.06/1,147,108.84 - Step 6: Final answer
x = 880,167.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.