Finding the Fourth Proportional to 1,026,266.99, 1,416,013.02 and 612,723.20
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Solution
The fourth proportional to 1,026,266.99, 1,416,013.02 and 612,723.20 is: 845,417.45
Step by Step Solution
- Step 1: Write the proportion equation
1,026,266.99 : 1,416,013.02 = 612,723.20 : x - Step 2: Convert to fraction form
1,026,266.99/1,416,013.02 = 612,723.20/x - Step 3: Cross multiply
1,026,266.99x = 1,416,013.02 × 612,723.20 - Step 4: Simplify right side
1,026,266.99x = 867,624,021,776.00 - Step 5: Solve for x
x = 867,624,021,776.00/1,026,266.99 - Step 6: Final answer
x = 845,417.45
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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.