Finding the Fourth Proportional to 1,239,124.16, 1,855,685.10 and 630,310.76
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Solution
The fourth proportional to 1,239,124.16, 1,855,685.10 and 630,310.76 is: 943,939.54
Step by Step Solution
- Step 1: Write the proportion equation
1,239,124.16 : 1,855,685.10 = 630,310.76 : x - Step 2: Convert to fraction form
1,239,124.16/1,855,685.10 = 630,310.76/x - Step 3: Cross multiply
1,239,124.16x = 1,855,685.10 × 630,310.76 - Step 4: Simplify right side
1,239,124.16x = 1,169,658,285,701.68 - Step 5: Solve for x
x = 1,169,658,285,701.68/1,239,124.16 - Step 6: Final answer
x = 943,939.54
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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.