Finding the Fourth Proportional to 1,225,064.98, 1,838,124.18 and 425,910.88
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Solution
The fourth proportional to 1,225,064.98, 1,838,124.18 and 425,910.88 is: 639,049.44
Step by Step Solution
- Step 1: Write the proportion equation
1,225,064.98 : 1,838,124.18 = 425,910.88 : x - Step 2: Convert to fraction form
1,225,064.98/1,838,124.18 = 425,910.88/x - Step 3: Cross multiply
1,225,064.98x = 1,838,124.18 × 425,910.88 - Step 4: Simplify right side
1,225,064.98x = 782,877,087,053.08 - Step 5: Solve for x
x = 782,877,087,053.08/1,225,064.98 - Step 6: Final answer
x = 639,049.44
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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.